Home / 180,289.28-248,777.12-99,705.92

Finding the Fourth Proportional to 180,289.28, 248,777.12 and 99,705.92

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Solution

The fourth proportional to 180,289.28, 248,777.12 and 99,705.92 is: 137,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,289.28 : 248,777.12 = 99,705.92 : x
  2. Step 2: Convert to fraction form
    180,289.28/248,777.12 = 99,705.92/x
  3. Step 3: Cross multiply
    180,289.28x = 248,777.12 × 99,705.92
  4. Step 4: Simplify right side
    180,289.28x = 24,804,551,624.55
  5. Step 5: Solve for x
    x = 24,804,551,624.55/180,289.28
  6. Step 6: Final answer
    x = 137,581.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.