Home / 123,538.50-185,312.21-34,799.76

Finding the Fourth Proportional to 123,538.50, 185,312.21 and 34,799.76

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Solution

The fourth proportional to 123,538.50, 185,312.21 and 34,799.76 is: 52,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,538.50 : 185,312.21 = 34,799.76 : x
  2. Step 2: Convert to fraction form
    123,538.50/185,312.21 = 34,799.76/x
  3. Step 3: Cross multiply
    123,538.50x = 185,312.21 × 34,799.76
  4. Step 4: Simplify right side
    123,538.50x = 6,448,820,259.07
  5. Step 5: Solve for x
    x = 6,448,820,259.07/123,538.50
  6. Step 6: Final answer
    x = 52,200.89

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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.