Home / 132,451.90-182,738.88-75,085.07

Finding the Fourth Proportional to 132,451.90, 182,738.88 and 75,085.07

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Solution

The fourth proportional to 132,451.90, 182,738.88 and 75,085.07 is: 103,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.90 : 182,738.88 = 75,085.07 : x
  2. Step 2: Convert to fraction form
    132,451.90/182,738.88 = 75,085.07/x
  3. Step 3: Cross multiply
    132,451.90x = 182,738.88 × 75,085.07
  4. Step 4: Simplify right side
    132,451.90x = 13,720,960,682.83
  5. Step 5: Solve for x
    x = 13,720,960,682.83/132,451.90
  6. Step 6: Final answer
    x = 103,592.03

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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.