Home / 156,917.70-216,564.57-93,254.94

Finding the Fourth Proportional to 156,917.70, 216,564.57 and 93,254.94

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Solution

The fourth proportional to 156,917.70, 216,564.57 and 93,254.94 is: 128,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.70 : 216,564.57 = 93,254.94 : x
  2. Step 2: Convert to fraction form
    156,917.70/216,564.57 = 93,254.94/x
  3. Step 3: Cross multiply
    156,917.70x = 216,564.57 × 93,254.94
  4. Step 4: Simplify right side
    156,917.70x = 20,195,715,981.48
  5. Step 5: Solve for x
    x = 20,195,715,981.48/156,917.70
  6. Step 6: Final answer
    x = 128,702.60

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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.