Home / 156,931.10-235,396.65-97,007.30

Finding the Fourth Proportional to 156,931.10, 235,396.65 and 97,007.30

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Solution

The fourth proportional to 156,931.10, 235,396.65 and 97,007.30 is: 145,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.10 : 235,396.65 = 97,007.30 : x
  2. Step 2: Convert to fraction form
    156,931.10/235,396.65 = 97,007.30/x
  3. Step 3: Cross multiply
    156,931.10x = 235,396.65 × 97,007.30
  4. Step 4: Simplify right side
    156,931.10x = 22,835,193,445.55
  5. Step 5: Solve for x
    x = 22,835,193,445.55/156,931.10
  6. Step 6: Final answer
    x = 145,510.95

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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.