Home / 132,551.16-182,921.39-72,122.25

Finding the Fourth Proportional to 132,551.16, 182,921.39 and 72,122.25

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Solution

The fourth proportional to 132,551.16, 182,921.39 and 72,122.25 is: 99,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,551.16 : 182,921.39 = 72,122.25 : x
  2. Step 2: Convert to fraction form
    132,551.16/182,921.39 = 72,122.25/x
  3. Step 3: Cross multiply
    132,551.16x = 182,921.39 × 72,122.25
  4. Step 4: Simplify right side
    132,551.16x = 13,192,702,219.93
  5. Step 5: Solve for x
    x = 13,192,702,219.93/132,551.16
  6. Step 6: Final answer
    x = 99,529.13

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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.