Home / 162,420.86-243,631.08-44,109.56

Finding the Fourth Proportional to 162,420.86, 243,631.08 and 44,109.56

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Solution

The fourth proportional to 162,420.86, 243,631.08 and 44,109.56 is: 66,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,420.86 : 243,631.08 = 44,109.56 : x
  2. Step 2: Convert to fraction form
    162,420.86/243,631.08 = 44,109.56/x
  3. Step 3: Cross multiply
    162,420.86x = 243,631.08 × 44,109.56
  4. Step 4: Simplify right side
    162,420.86x = 10,746,459,741.12
  5. Step 5: Solve for x
    x = 10,746,459,741.12/162,420.86
  6. Step 6: Final answer
    x = 66,164.28

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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.