Home / 219,945.28-329,875.80-93,655.12

Finding the Fourth Proportional to 219,945.28, 329,875.80 and 93,655.12

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Solution

The fourth proportional to 219,945.28, 329,875.80 and 93,655.12 is: 140,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,945.28 : 329,875.80 = 93,655.12 : x
  2. Step 2: Convert to fraction form
    219,945.28/329,875.80 = 93,655.12/x
  3. Step 3: Cross multiply
    219,945.28x = 329,875.80 × 93,655.12
  4. Step 4: Simplify right side
    219,945.28x = 30,894,557,634.10
  5. Step 5: Solve for x
    x = 30,894,557,634.10/219,945.28
  6. Step 6: Final answer
    x = 140,464.74

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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.