Home / 191,172.24-286,753.20-91,402.80

Finding the Fourth Proportional to 191,172.24, 286,753.20 and 91,402.80

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Solution

The fourth proportional to 191,172.24, 286,753.20 and 91,402.80 is: 137,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,172.24 : 286,753.20 = 91,402.80 : x
  2. Step 2: Convert to fraction form
    191,172.24/286,753.20 = 91,402.80/x
  3. Step 3: Cross multiply
    191,172.24x = 286,753.20 × 91,402.80
  4. Step 4: Simplify right side
    191,172.24x = 26,210,045,388.96
  5. Step 5: Solve for x
    x = 26,210,045,388.96/191,172.24
  6. Step 6: Final answer
    x = 137,101.73

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1.5x scale

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.