Home / 125,307.48-173,153.25-91,256.70

Finding the Fourth Proportional to 125,307.48, 173,153.25 and 91,256.70

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Solution

The fourth proportional to 125,307.48, 173,153.25 and 91,256.70 is: 126,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,307.48 : 173,153.25 = 91,256.70 : x
  2. Step 2: Convert to fraction form
    125,307.48/173,153.25 = 91,256.70/x
  3. Step 3: Cross multiply
    125,307.48x = 173,153.25 × 91,256.70
  4. Step 4: Simplify right side
    125,307.48x = 15,801,394,189.28
  5. Step 5: Solve for x
    x = 15,801,394,189.28/125,307.48
  6. Step 6: Final answer
    x = 126,100.97

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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.