Home / 162,281.16-243,442.26-55,685.88

Finding the Fourth Proportional to 162,281.16, 243,442.26 and 55,685.88

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Solution

The fourth proportional to 162,281.16, 243,442.26 and 55,685.88 is: 83,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,281.16 : 243,442.26 = 55,685.88 : x
  2. Step 2: Convert to fraction form
    162,281.16/243,442.26 = 55,685.88/x
  3. Step 3: Cross multiply
    162,281.16x = 243,442.26 × 55,685.88
  4. Step 4: Simplify right side
    162,281.16x = 13,556,296,477.29
  5. Step 5: Solve for x
    x = 13,556,296,477.29/162,281.16
  6. Step 6: Final answer
    x = 83,535.86

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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.