Home / 156,627.53-216,148.07-85,008.41

Finding the Fourth Proportional to 156,627.53, 216,148.07 and 85,008.41

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Solution

The fourth proportional to 156,627.53, 216,148.07 and 85,008.41 is: 117,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.53 : 216,148.07 = 85,008.41 : x
  2. Step 2: Convert to fraction form
    156,627.53/216,148.07 = 85,008.41/x
  3. Step 3: Cross multiply
    156,627.53x = 216,148.07 × 85,008.41
  4. Step 4: Simplify right side
    156,627.53x = 18,374,403,330.23
  5. Step 5: Solve for x
    x = 18,374,403,330.23/156,627.53
  6. Step 6: Final answer
    x = 117,312.73

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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.