Home / 120,024.07-165,634.59-66,307.93

Finding the Fourth Proportional to 120,024.07, 165,634.59 and 66,307.93

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Solution

The fourth proportional to 120,024.07, 165,634.59 and 66,307.93 is: 91,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,024.07 : 165,634.59 = 66,307.93 : x
  2. Step 2: Convert to fraction form
    120,024.07/165,634.59 = 66,307.93/x
  3. Step 3: Cross multiply
    120,024.07x = 165,634.59 × 66,307.93
  4. Step 4: Simplify right side
    120,024.07x = 10,982,886,799.30
  5. Step 5: Solve for x
    x = 10,982,886,799.30/120,024.07
  6. Step 6: Final answer
    x = 91,505.70

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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.