Home / 149,672.08-224,547.04-74,789.20

Finding the Fourth Proportional to 149,672.08, 224,547.04 and 74,789.20

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Solution

The fourth proportional to 149,672.08, 224,547.04 and 74,789.20 is: 112,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672.08 : 224,547.04 = 74,789.20 : x
  2. Step 2: Convert to fraction form
    149,672.08/224,547.04 = 74,789.20/x
  3. Step 3: Cross multiply
    149,672.08x = 224,547.04 × 74,789.20
  4. Step 4: Simplify right side
    149,672.08x = 16,793,693,483.97
  5. Step 5: Solve for x
    x = 16,793,693,483.97/149,672.08
  6. Step 6: Final answer
    x = 112,203.25

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1.5x scale

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.