Home / 156,519.74-215,995.71-84,898.73

Finding the Fourth Proportional to 156,519.74, 215,995.71 and 84,898.73

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Solution

The fourth proportional to 156,519.74, 215,995.71 and 84,898.73 is: 117,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,519.74 : 215,995.71 = 84,898.73 : x
  2. Step 2: Convert to fraction form
    156,519.74/215,995.71 = 84,898.73/x
  3. Step 3: Cross multiply
    156,519.74x = 215,995.71 × 84,898.73
  4. Step 4: Simplify right side
    156,519.74x = 18,337,762,322.81
  5. Step 5: Solve for x
    x = 18,337,762,322.81/156,519.74
  6. Step 6: Final answer
    x = 117,159.42

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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.