Home / 319,728.31-441,223.53-176,487.10

Finding the Fourth Proportional to 319,728.31, 441,223.53 and 176,487.10

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Solution

The fourth proportional to 319,728.31, 441,223.53 and 176,487.10 is: 243,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,728.31 : 441,223.53 = 176,487.10 : x
  2. Step 2: Convert to fraction form
    319,728.31/441,223.53 = 176,487.10/x
  3. Step 3: Cross multiply
    319,728.31x = 441,223.53 × 176,487.10
  4. Step 4: Simplify right side
    319,728.31x = 77,870,261,261.46
  5. Step 5: Solve for x
    x = 77,870,261,261.46/319,728.31
  6. Step 6: Final answer
    x = 243,551.35

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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.