Home / 125,014.68-172,477.35-71,260.92

Finding the Fourth Proportional to 125,014.68, 172,477.35 and 71,260.92

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Solution

The fourth proportional to 125,014.68, 172,477.35 and 71,260.92 is: 98,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,014.68 : 172,477.35 = 71,260.92 : x
  2. Step 2: Convert to fraction form
    125,014.68/172,477.35 = 71,260.92/x
  3. Step 3: Cross multiply
    125,014.68x = 172,477.35 × 71,260.92
  4. Step 4: Simplify right side
    125,014.68x = 12,290,894,640.16
  5. Step 5: Solve for x
    x = 12,290,894,640.16/125,014.68
  6. Step 6: Final answer
    x = 98,315.61

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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.