Home / 159,733.90-220,434.18-88,116.40

Finding the Fourth Proportional to 159,733.90, 220,434.18 and 88,116.40

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Solution

The fourth proportional to 159,733.90, 220,434.18 and 88,116.40 is: 121,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,733.90 : 220,434.18 = 88,116.40 : x
  2. Step 2: Convert to fraction form
    159,733.90/220,434.18 = 88,116.40/x
  3. Step 3: Cross multiply
    159,733.90x = 220,434.18 × 88,116.40
  4. Step 4: Simplify right side
    159,733.90x = 19,423,866,378.55
  5. Step 5: Solve for x
    x = 19,423,866,378.55/159,733.90
  6. Step 6: Final answer
    x = 121,601.40

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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.