Home / 156,194.28-215,547.16-84,572.80

Finding the Fourth Proportional to 156,194.28, 215,547.16 and 84,572.80

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Solution

The fourth proportional to 156,194.28, 215,547.16 and 84,572.80 is: 116,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,194.28 : 215,547.16 = 84,572.80 : x
  2. Step 2: Convert to fraction form
    156,194.28/215,547.16 = 84,572.80/x
  3. Step 3: Cross multiply
    156,194.28x = 215,547.16 × 84,572.80
  4. Step 4: Simplify right side
    156,194.28x = 18,229,426,853.25
  5. Step 5: Solve for x
    x = 18,229,426,853.25/156,194.28
  6. Step 6: Final answer
    x = 116,709.95

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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.