Home / 156,828.96-216,399.60-93,165.12

Finding the Fourth Proportional to 156,828.96, 216,399.60 and 93,165.12

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Solution

The fourth proportional to 156,828.96, 216,399.60 and 93,165.12 is: 128,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,828.96 : 216,399.60 = 93,165.12 : x
  2. Step 2: Convert to fraction form
    156,828.96/216,399.60 = 93,165.12/x
  3. Step 3: Cross multiply
    156,828.96x = 216,399.60 × 93,165.12
  4. Step 4: Simplify right side
    156,828.96x = 20,160,894,701.95
  5. Step 5: Solve for x
    x = 20,160,894,701.95/156,828.96
  6. Step 6: Final answer
    x = 128,553.39

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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.