Home / 179,097.75-247,147.10-98,520.17

Finding the Fourth Proportional to 179,097.75, 247,147.10 and 98,520.17

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Solution

The fourth proportional to 179,097.75, 247,147.10 and 98,520.17 is: 135,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,097.75 : 247,147.10 = 98,520.17 : x
  2. Step 2: Convert to fraction form
    179,097.75/247,147.10 = 98,520.17/x
  3. Step 3: Cross multiply
    179,097.75x = 247,147.10 × 98,520.17
  4. Step 4: Simplify right side
    179,097.75x = 24,348,974,307.01
  5. Step 5: Solve for x
    x = 24,348,974,307.01/179,097.75
  6. Step 6: Final answer
    x = 135,953.55

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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.