Home / 319,240.72-440,555.18-176,005.89

Finding the Fourth Proportional to 319,240.72, 440,555.18 and 176,005.89

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Solution

The fourth proportional to 319,240.72, 440,555.18 and 176,005.89 is: 242,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,240.72 : 440,555.18 = 176,005.89 : x
  2. Step 2: Convert to fraction form
    319,240.72/440,555.18 = 176,005.89/x
  3. Step 3: Cross multiply
    319,240.72x = 440,555.18 × 176,005.89
  4. Step 4: Simplify right side
    319,240.72x = 77,540,306,550.01
  5. Step 5: Solve for x
    x = 77,540,306,550.01/319,240.72
  6. Step 6: Final answer
    x = 242,889.77

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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.