Home / 156,935.10-235,402.65-97,011.30

Finding the Fourth Proportional to 156,935.10, 235,402.65 and 97,011.30

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Solution

The fourth proportional to 156,935.10, 235,402.65 and 97,011.30 is: 145,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.10 : 235,402.65 = 97,011.30 : x
  2. Step 2: Convert to fraction form
    156,935.10/235,402.65 = 97,011.30/x
  3. Step 3: Cross multiply
    156,935.10x = 235,402.65 × 97,011.30
  4. Step 4: Simplify right side
    156,935.10x = 22,836,717,099.95
  5. Step 5: Solve for x
    x = 22,836,717,099.95/156,935.10
  6. Step 6: Final answer
    x = 145,516.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.