Home / 125,927.73-173,727.23-83,412.45

Finding the Fourth Proportional to 125,927.73, 173,727.23 and 83,412.45

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Solution

The fourth proportional to 125,927.73, 173,727.23 and 83,412.45 is: 115,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,927.73 : 173,727.23 = 83,412.45 : x
  2. Step 2: Convert to fraction form
    125,927.73/173,727.23 = 83,412.45/x
  3. Step 3: Cross multiply
    125,927.73x = 173,727.23 × 83,412.45
  4. Step 4: Simplify right side
    125,927.73x = 14,491,013,468.95
  5. Step 5: Solve for x
    x = 14,491,013,468.95/125,927.73
  6. Step 6: Final answer
    x = 115,074.05

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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.