Home / 162,225.75-243,338.63-51,417.75

Finding the Fourth Proportional to 162,225.75, 243,338.63 and 51,417.75

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Solution

The fourth proportional to 162,225.75, 243,338.63 and 51,417.75 is: 77,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,225.75 : 243,338.63 = 51,417.75 : x
  2. Step 2: Convert to fraction form
    162,225.75/243,338.63 = 51,417.75/x
  3. Step 3: Cross multiply
    162,225.75x = 243,338.63 × 51,417.75
  4. Step 4: Simplify right side
    162,225.75x = 12,511,924,842.68
  5. Step 5: Solve for x
    x = 12,511,924,842.68/162,225.75
  6. Step 6: Final answer
    x = 77,126.63

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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.