Home / 135,272.16-186,594.09-89,332.17

Finding the Fourth Proportional to 135,272.16, 186,594.09 and 89,332.17

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Solution

The fourth proportional to 135,272.16, 186,594.09 and 89,332.17 is: 123,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,272.16 : 186,594.09 = 89,332.17 : x
  2. Step 2: Convert to fraction form
    135,272.16/186,594.09 = 89,332.17/x
  3. Step 3: Cross multiply
    135,272.16x = 186,594.09 × 89,332.17
  4. Step 4: Simplify right side
    135,272.16x = 16,668,854,968.88
  5. Step 5: Solve for x
    x = 16,668,854,968.88/135,272.16
  6. Step 6: Final answer
    x = 123,224.58

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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.