Home / 319,334.40-440,710.96-183,386.16

Finding the Fourth Proportional to 319,334.40, 440,710.96 and 183,386.16

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Solution

The fourth proportional to 319,334.40, 440,710.96 and 183,386.16 is: 253,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,334.40 : 440,710.96 = 183,386.16 : x
  2. Step 2: Convert to fraction form
    319,334.40/440,710.96 = 183,386.16/x
  3. Step 3: Cross multiply
    319,334.40x = 440,710.96 × 183,386.16
  4. Step 4: Simplify right side
    319,334.40x = 80,820,290,624.31
  5. Step 5: Solve for x
    x = 80,820,290,624.31/319,334.40
  6. Step 6: Final answer
    x = 253,089.84

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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.