Home / 156,731.19-216,344.24-93,068.55

Finding the Fourth Proportional to 156,731.19, 216,344.24 and 93,068.55

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Solution

The fourth proportional to 156,731.19, 216,344.24 and 93,068.55 is: 128,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,731.19 : 216,344.24 = 93,068.55 : x
  2. Step 2: Convert to fraction form
    156,731.19/216,344.24 = 93,068.55/x
  3. Step 3: Cross multiply
    156,731.19x = 216,344.24 × 93,068.55
  4. Step 4: Simplify right side
    156,731.19x = 20,134,844,252.31
  5. Step 5: Solve for x
    x = 20,134,844,252.31/156,731.19
  6. Step 6: Final answer
    x = 128,467.37

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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.