Home / 128,567.03-192,732.39-44,307.18

Finding the Fourth Proportional to 128,567.03, 192,732.39 and 44,307.18

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Solution

The fourth proportional to 128,567.03, 192,732.39 and 44,307.18 is: 66,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,567.03 : 192,732.39 = 44,307.18 : x
  2. Step 2: Convert to fraction form
    128,567.03/192,732.39 = 44,307.18/x
  3. Step 3: Cross multiply
    128,567.03x = 192,732.39 × 44,307.18
  4. Step 4: Simplify right side
    128,567.03x = 8,539,428,695.56
  5. Step 5: Solve for x
    x = 8,539,428,695.56/128,567.03
  6. Step 6: Final answer
    x = 66,420.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.