Home / 130,585.94-180,115.24-119,864.85

Finding the Fourth Proportional to 130,585.94, 180,115.24 and 119,864.85

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Solution

The fourth proportional to 130,585.94, 180,115.24 and 119,864.85 is: 165,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,585.94 : 180,115.24 = 119,864.85 : x
  2. Step 2: Convert to fraction form
    130,585.94/180,115.24 = 119,864.85/x
  3. Step 3: Cross multiply
    130,585.94x = 180,115.24 × 119,864.85
  4. Step 4: Simplify right side
    130,585.94x = 21,589,486,225.31
  5. Step 5: Solve for x
    x = 21,589,486,225.31/130,585.94
  6. Step 6: Final answer
    x = 165,327.80

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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.