Home / 119,347.12-179,001.24-40,459.60

Finding the Fourth Proportional to 119,347.12, 179,001.24 and 40,459.60

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Solution

The fourth proportional to 119,347.12, 179,001.24 and 40,459.60 is: 60,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,347.12 : 179,001.24 = 40,459.60 : x
  2. Step 2: Convert to fraction form
    119,347.12/179,001.24 = 40,459.60/x
  3. Step 3: Cross multiply
    119,347.12x = 179,001.24 × 40,459.60
  4. Step 4: Simplify right side
    119,347.12x = 7,242,318,569.90
  5. Step 5: Solve for x
    x = 7,242,318,569.90/119,347.12
  6. Step 6: Final answer
    x = 60,682.81

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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.