Home / 157,642.20-236,463.30-98,659.80

Finding the Fourth Proportional to 157,642.20, 236,463.30 and 98,659.80

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Solution

The fourth proportional to 157,642.20, 236,463.30 and 98,659.80 is: 147,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,642.20 : 236,463.30 = 98,659.80 : x
  2. Step 2: Convert to fraction form
    157,642.20/236,463.30 = 98,659.80/x
  3. Step 3: Cross multiply
    157,642.20x = 236,463.30 × 98,659.80
  4. Step 4: Simplify right side
    157,642.20x = 23,329,421,885.34
  5. Step 5: Solve for x
    x = 23,329,421,885.34/157,642.20
  6. Step 6: Final answer
    x = 147,989.70

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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.