Home / 319,063.19-440,301.53-173,870.24

Finding the Fourth Proportional to 319,063.19, 440,301.53 and 173,870.24

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Solution

The fourth proportional to 319,063.19, 440,301.53 and 173,870.24 is: 239,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,063.19 : 440,301.53 = 173,870.24 : x
  2. Step 2: Convert to fraction form
    319,063.19/440,301.53 = 173,870.24/x
  3. Step 3: Cross multiply
    319,063.19x = 440,301.53 × 173,870.24
  4. Step 4: Simplify right side
    319,063.19x = 76,555,331,824.12
  5. Step 5: Solve for x
    x = 76,555,331,824.12/319,063.19
  6. Step 6: Final answer
    x = 239,937.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.