Home / 147,341.88-221,011.20-88,194.06

Finding the Fourth Proportional to 147,341.88, 221,011.20 and 88,194.06

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Solution

The fourth proportional to 147,341.88, 221,011.20 and 88,194.06 is: 132,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,341.88 : 221,011.20 = 88,194.06 : x
  2. Step 2: Convert to fraction form
    147,341.88/221,011.20 = 88,194.06/x
  3. Step 3: Cross multiply
    147,341.88x = 221,011.20 × 88,194.06
  4. Step 4: Simplify right side
    147,341.88x = 19,491,875,033.47
  5. Step 5: Solve for x
    x = 19,491,875,033.47/147,341.88
  6. Step 6: Final answer
    x = 132,290.12

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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.