Home / 156,634.61-216,153.33-85,014.02

Finding the Fourth Proportional to 156,634.61, 216,153.33 and 85,014.02

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Solution

The fourth proportional to 156,634.61, 216,153.33 and 85,014.02 is: 117,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.61 : 216,153.33 = 85,014.02 : x
  2. Step 2: Convert to fraction form
    156,634.61/216,153.33 = 85,014.02/x
  3. Step 3: Cross multiply
    156,634.61x = 216,153.33 × 85,014.02
  4. Step 4: Simplify right side
    156,634.61x = 18,376,063,519.69
  5. Step 5: Solve for x
    x = 18,376,063,519.69/156,634.61
  6. Step 6: Final answer
    x = 117,318.03

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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.