Home / 156,761.36-216,305.40-96,312.56

Finding the Fourth Proportional to 156,761.36, 216,305.40 and 96,312.56

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Solution

The fourth proportional to 156,761.36, 216,305.40 and 96,312.56 is: 132,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,761.36 : 216,305.40 = 96,312.56 : x
  2. Step 2: Convert to fraction form
    156,761.36/216,305.40 = 96,312.56/x
  3. Step 3: Cross multiply
    156,761.36x = 216,305.40 × 96,312.56
  4. Step 4: Simplify right side
    156,761.36x = 20,832,926,815.82
  5. Step 5: Solve for x
    x = 20,832,926,815.82/156,761.36
  6. Step 6: Final answer
    x = 132,895.80

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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.