Home / 132,435.75-182,762.01-72,006.87

Finding the Fourth Proportional to 132,435.75, 182,762.01 and 72,006.87

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Solution

The fourth proportional to 132,435.75, 182,762.01 and 72,006.87 is: 99,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,435.75 : 182,762.01 = 72,006.87 : x
  2. Step 2: Convert to fraction form
    132,435.75/182,762.01 = 72,006.87/x
  3. Step 3: Cross multiply
    132,435.75x = 182,762.01 × 72,006.87
  4. Step 4: Simplify right side
    132,435.75x = 13,160,120,295.01
  5. Step 5: Solve for x
    x = 13,160,120,295.01/132,435.75
  6. Step 6: Final answer
    x = 99,369.85

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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.