Home / 156,148.24-215,484.96-84,529.12

Finding the Fourth Proportional to 156,148.24, 215,484.96 and 84,529.12

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Solution

The fourth proportional to 156,148.24, 215,484.96 and 84,529.12 is: 116,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,148.24 : 215,484.96 = 84,529.12 : x
  2. Step 2: Convert to fraction form
    156,148.24/215,484.96 = 84,529.12/x
  3. Step 3: Cross multiply
    156,148.24x = 215,484.96 × 84,529.12
  4. Step 4: Simplify right side
    156,148.24x = 18,214,754,042.04
  5. Step 5: Solve for x
    x = 18,214,754,042.04/156,148.24
  6. Step 6: Final answer
    x = 116,650.40

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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.