Home / 125,811.62-173,585.59-87,528.18

Finding the Fourth Proportional to 125,811.62, 173,585.59 and 87,528.18

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Solution

The fourth proportional to 125,811.62, 173,585.59 and 87,528.18 is: 120,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,811.62 : 173,585.59 = 87,528.18 : x
  2. Step 2: Convert to fraction form
    125,811.62/173,585.59 = 87,528.18/x
  3. Step 3: Cross multiply
    125,811.62x = 173,585.59 × 87,528.18
  4. Step 4: Simplify right side
    125,811.62x = 15,193,630,766.93
  5. Step 5: Solve for x
    x = 15,193,630,766.93/125,811.62
  6. Step 6: Final answer
    x = 120,764.92

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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.