Home / 156,902.06-216,526.17-85,282.07

Finding the Fourth Proportional to 156,902.06, 216,526.17 and 85,282.07

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Solution

The fourth proportional to 156,902.06, 216,526.17 and 85,282.07 is: 117,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.06 : 216,526.17 = 85,282.07 : x
  2. Step 2: Convert to fraction form
    156,902.06/216,526.17 = 85,282.07/x
  3. Step 3: Cross multiply
    156,902.06x = 216,526.17 × 85,282.07
  4. Step 4: Simplify right side
    156,902.06x = 18,465,799,986.77
  5. Step 5: Solve for x
    x = 18,465,799,986.77/156,902.06
  6. Step 6: Final answer
    x = 117,689.98

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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.