Home / 124,101.28-171,264.06-67,514.68

Finding the Fourth Proportional to 124,101.28, 171,264.06 and 67,514.68

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Solution

The fourth proportional to 124,101.28, 171,264.06 and 67,514.68 is: 93,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,101.28 : 171,264.06 = 67,514.68 : x
  2. Step 2: Convert to fraction form
    124,101.28/171,264.06 = 67,514.68/x
  3. Step 3: Cross multiply
    124,101.28x = 171,264.06 × 67,514.68
  4. Step 4: Simplify right side
    124,101.28x = 11,562,838,206.40
  5. Step 5: Solve for x
    x = 11,562,838,206.40/124,101.28
  6. Step 6: Final answer
    x = 93,172.59

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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.