Home / 101,538.13-152,307.20-27,666.13

Finding the Fourth Proportional to 101,538.13, 152,307.20 and 27,666.13

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Solution

The fourth proportional to 101,538.13, 152,307.20 and 27,666.13 is: 41,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,538.13 : 152,307.20 = 27,666.13 : x
  2. Step 2: Convert to fraction form
    101,538.13/152,307.20 = 27,666.13/x
  3. Step 3: Cross multiply
    101,538.13x = 152,307.20 × 27,666.13
  4. Step 4: Simplify right side
    101,538.13x = 4,213,750,795.14
  5. Step 5: Solve for x
    x = 4,213,750,795.14/101,538.13
  6. Step 6: Final answer
    x = 41,499.20

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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.