Home / 132,434.99-182,759.35-72,005.65

Finding the Fourth Proportional to 132,434.99, 182,759.35 and 72,005.65

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Solution

The fourth proportional to 132,434.99, 182,759.35 and 72,005.65 is: 99,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,434.99 : 182,759.35 = 72,005.65 : x
  2. Step 2: Convert to fraction form
    132,434.99/182,759.35 = 72,005.65/x
  3. Step 3: Cross multiply
    132,434.99x = 182,759.35 × 72,005.65
  4. Step 4: Simplify right side
    132,434.99x = 13,159,705,056.54
  5. Step 5: Solve for x
    x = 13,159,705,056.54/132,434.99
  6. Step 6: Final answer
    x = 99,367.29

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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.