Home / 141,689.08-195,472.24-84,316.90

Finding the Fourth Proportional to 141,689.08, 195,472.24 and 84,316.90

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Solution

The fourth proportional to 141,689.08, 195,472.24 and 84,316.90 is: 116,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,689.08 : 195,472.24 = 84,316.90 : x
  2. Step 2: Convert to fraction form
    141,689.08/195,472.24 = 84,316.90/x
  3. Step 3: Cross multiply
    141,689.08x = 195,472.24 × 84,316.90
  4. Step 4: Simplify right side
    141,689.08x = 16,481,613,312.86
  5. Step 5: Solve for x
    x = 16,481,613,312.86/141,689.08
  6. Step 6: Final answer
    x = 116,322.40

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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.