Home / 135,763.39-187,356.48-75,332.13

Finding the Fourth Proportional to 135,763.39, 187,356.48 and 75,332.13

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Solution

The fourth proportional to 135,763.39, 187,356.48 and 75,332.13 is: 103,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,763.39 : 187,356.48 = 75,332.13 : x
  2. Step 2: Convert to fraction form
    135,763.39/187,356.48 = 75,332.13/x
  3. Step 3: Cross multiply
    135,763.39x = 187,356.48 × 75,332.13
  4. Step 4: Simplify right side
    135,763.39x = 14,113,961,394.26
  5. Step 5: Solve for x
    x = 14,113,961,394.26/135,763.39
  6. Step 6: Final answer
    x = 103,960.00

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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.