Home / 311,031.60-466,547.40-124,177.20

Finding the Fourth Proportional to 311,031.60, 466,547.40 and 124,177.20

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Solution

The fourth proportional to 311,031.60, 466,547.40 and 124,177.20 is: 186,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,031.60 : 466,547.40 = 124,177.20 : x
  2. Step 2: Convert to fraction form
    311,031.60/466,547.40 = 124,177.20/x
  3. Step 3: Cross multiply
    311,031.60x = 466,547.40 × 124,177.20
  4. Step 4: Simplify right side
    311,031.60x = 57,934,549,799.28
  5. Step 5: Solve for x
    x = 57,934,549,799.28/311,031.60
  6. Step 6: Final answer
    x = 186,265.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.