Home / 162,550.65-243,826.29-87,706.02

Finding the Fourth Proportional to 162,550.65, 243,826.29 and 87,706.02

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Solution

The fourth proportional to 162,550.65, 243,826.29 and 87,706.02 is: 131,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,550.65 : 243,826.29 = 87,706.02 : x
  2. Step 2: Convert to fraction form
    162,550.65/243,826.29 = 87,706.02/x
  3. Step 3: Cross multiply
    162,550.65x = 243,826.29 × 87,706.02
  4. Step 4: Simplify right side
    162,550.65x = 21,385,033,467.27
  5. Step 5: Solve for x
    x = 21,385,033,467.27/162,550.65
  6. Step 6: Final answer
    x = 131,559.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.