Home / 140,257.95-193,557.51-76,597.62

Finding the Fourth Proportional to 140,257.95, 193,557.51 and 76,597.62

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Solution

The fourth proportional to 140,257.95, 193,557.51 and 76,597.62 is: 105,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,257.95 : 193,557.51 = 76,597.62 : x
  2. Step 2: Convert to fraction form
    140,257.95/193,557.51 = 76,597.62/x
  3. Step 3: Cross multiply
    140,257.95x = 193,557.51 × 76,597.62
  4. Step 4: Simplify right side
    140,257.95x = 14,826,044,599.13
  5. Step 5: Solve for x
    x = 14,826,044,599.13/140,257.95
  6. Step 6: Final answer
    x = 105,705.56

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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.