Home / 191,572.20-287,358.30-98,260.20

Finding the Fourth Proportional to 191,572.20, 287,358.30 and 98,260.20

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Solution

The fourth proportional to 191,572.20, 287,358.30 and 98,260.20 is: 147,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,572.20 : 287,358.30 = 98,260.20 : x
  2. Step 2: Convert to fraction form
    191,572.20/287,358.30 = 98,260.20/x
  3. Step 3: Cross multiply
    191,572.20x = 287,358.30 × 98,260.20
  4. Step 4: Simplify right side
    191,572.20x = 28,235,884,029.66
  5. Step 5: Solve for x
    x = 28,235,884,029.66/191,572.20
  6. Step 6: Final answer
    x = 147,390.30

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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.