Home / 156,862.45-216,501.60-93,187.95

Finding the Fourth Proportional to 156,862.45, 216,501.60 and 93,187.95

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Solution

The fourth proportional to 156,862.45, 216,501.60 and 93,187.95 is: 128,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,862.45 : 216,501.60 = 93,187.95 : x
  2. Step 2: Convert to fraction form
    156,862.45/216,501.60 = 93,187.95/x
  3. Step 3: Cross multiply
    156,862.45x = 216,501.60 × 93,187.95
  4. Step 4: Simplify right side
    156,862.45x = 20,175,340,275.72
  5. Step 5: Solve for x
    x = 20,175,340,275.72/156,862.45
  6. Step 6: Final answer
    x = 128,618.04

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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.