Home / 110,574.27-165,618.29-91,381.39

Finding the Fourth Proportional to 110,574.27, 165,618.29 and 91,381.39

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Solution

The fourth proportional to 110,574.27, 165,618.29 and 91,381.39 is: 136,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,574.27 : 165,618.29 = 91,381.39 : x
  2. Step 2: Convert to fraction form
    110,574.27/165,618.29 = 91,381.39/x
  3. Step 3: Cross multiply
    110,574.27x = 165,618.29 × 91,381.39
  4. Step 4: Simplify right side
    110,574.27x = 15,134,428,721.53
  5. Step 5: Solve for x
    x = 15,134,428,721.53/110,574.27
  6. Step 6: Final answer
    x = 136,871.16

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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.