Home / 162,235.18-243,365.55-57,077.74

Finding the Fourth Proportional to 162,235.18, 243,365.55 and 57,077.74

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Solution

The fourth proportional to 162,235.18, 243,365.55 and 57,077.74 is: 85,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,235.18 : 243,365.55 = 57,077.74 : x
  2. Step 2: Convert to fraction form
    162,235.18/243,365.55 = 57,077.74/x
  3. Step 3: Cross multiply
    162,235.18x = 243,365.55 × 57,077.74
  4. Step 4: Simplify right side
    162,235.18x = 13,890,755,587.86
  5. Step 5: Solve for x
    x = 13,890,755,587.86/162,235.18
  6. Step 6: Final answer
    x = 85,621.11

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1.5x scale

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.