Home / 102,145.66-153,218.56-27,266.12

Finding the Fourth Proportional to 102,145.66, 153,218.56 and 27,266.12

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Solution

The fourth proportional to 102,145.66, 153,218.56 and 27,266.12 is: 40,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,145.66 : 153,218.56 = 27,266.12 : x
  2. Step 2: Convert to fraction form
    102,145.66/153,218.56 = 27,266.12/x
  3. Step 3: Cross multiply
    102,145.66x = 153,218.56 × 27,266.12
  4. Step 4: Simplify right side
    102,145.66x = 4,177,675,643.19
  5. Step 5: Solve for x
    x = 4,177,675,643.19/102,145.66
  6. Step 6: Final answer
    x = 40,899.20

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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.