Home / 124,206.90-171,406.17-67,618.68

Finding the Fourth Proportional to 124,206.90, 171,406.17 and 67,618.68

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Solution

The fourth proportional to 124,206.90, 171,406.17 and 67,618.68 is: 93,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.90 : 171,406.17 = 67,618.68 : x
  2. Step 2: Convert to fraction form
    124,206.90/171,406.17 = 67,618.68/x
  3. Step 3: Cross multiply
    124,206.90x = 171,406.17 × 67,618.68
  4. Step 4: Simplify right side
    124,206.90x = 11,590,258,959.26
  5. Step 5: Solve for x
    x = 11,590,258,959.26/124,206.90
  6. Step 6: Final answer
    x = 93,314.13

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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.