Home / 156,713.80-216,264.36-85,093.24

Finding the Fourth Proportional to 156,713.80, 216,264.36 and 85,093.24

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Solution

The fourth proportional to 156,713.80, 216,264.36 and 85,093.24 is: 117,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,713.80 : 216,264.36 = 85,093.24 : x
  2. Step 2: Convert to fraction form
    156,713.80/216,264.36 = 85,093.24/x
  3. Step 3: Cross multiply
    156,713.80x = 216,264.36 × 85,093.24
  4. Step 4: Simplify right side
    156,713.80x = 18,402,635,088.93
  5. Step 5: Solve for x
    x = 18,402,635,088.93/156,713.80
  6. Step 6: Final answer
    x = 117,428.30

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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.