Home / 134,870.57-186,108.13-74,437.33

Finding the Fourth Proportional to 134,870.57, 186,108.13 and 74,437.33

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Solution

The fourth proportional to 134,870.57, 186,108.13 and 74,437.33 is: 102,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870.57 : 186,108.13 = 74,437.33 : x
  2. Step 2: Convert to fraction form
    134,870.57/186,108.13 = 74,437.33/x
  3. Step 3: Cross multiply
    134,870.57x = 186,108.13 × 74,437.33
  4. Step 4: Simplify right side
    134,870.57x = 13,853,392,265.22
  5. Step 5: Solve for x
    x = 13,853,392,265.22/134,870.57
  6. Step 6: Final answer
    x = 102,716.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.