Home / 132,377.56-182,707.62-78,652.25

Finding the Fourth Proportional to 132,377.56, 182,707.62 and 78,652.25

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Solution

The fourth proportional to 132,377.56, 182,707.62 and 78,652.25 is: 108,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,377.56 : 182,707.62 = 78,652.25 : x
  2. Step 2: Convert to fraction form
    132,377.56/182,707.62 = 78,652.25/x
  3. Step 3: Cross multiply
    132,377.56x = 182,707.62 × 78,652.25
  4. Step 4: Simplify right side
    132,377.56x = 14,370,364,881.81
  5. Step 5: Solve for x
    x = 14,370,364,881.81/132,377.56
  6. Step 6: Final answer
    x = 108,555.90

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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.