Home / 319,729.14-441,229.28-176,486.11

Finding the Fourth Proportional to 319,729.14, 441,229.28 and 176,486.11

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Solution

The fourth proportional to 319,729.14, 441,229.28 and 176,486.11 is: 243,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,729.14 : 441,229.28 = 176,486.11 : x
  2. Step 2: Convert to fraction form
    319,729.14/441,229.28 = 176,486.11/x
  3. Step 3: Cross multiply
    319,729.14x = 441,229.28 × 176,486.11
  4. Step 4: Simplify right side
    319,729.14x = 77,870,837,259.80
  5. Step 5: Solve for x
    x = 77,870,837,259.80/319,729.14
  6. Step 6: Final answer
    x = 243,552.52

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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.