Home / 156,938.60-235,407.90-97,014.80

Finding the Fourth Proportional to 156,938.60, 235,407.90 and 97,014.80

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Solution

The fourth proportional to 156,938.60, 235,407.90 and 97,014.80 is: 145,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.60 : 235,407.90 = 97,014.80 : x
  2. Step 2: Convert to fraction form
    156,938.60/235,407.90 = 97,014.80/x
  3. Step 3: Cross multiply
    156,938.60x = 235,407.90 × 97,014.80
  4. Step 4: Simplify right side
    156,938.60x = 22,838,050,336.92
  5. Step 5: Solve for x
    x = 22,838,050,336.92/156,938.60
  6. Step 6: Final answer
    x = 145,522.20

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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.