Home / 98,219.10-147,401.55-39,097.20

Finding the Fourth Proportional to 98,219.10, 147,401.55 and 39,097.20

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Solution

The fourth proportional to 98,219.10, 147,401.55 and 39,097.20 is: 58,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,219.10 : 147,401.55 = 39,097.20 : x
  2. Step 2: Convert to fraction form
    98,219.10/147,401.55 = 39,097.20/x
  3. Step 3: Cross multiply
    98,219.10x = 147,401.55 × 39,097.20
  4. Step 4: Simplify right side
    98,219.10x = 5,762,987,880.66
  5. Step 5: Solve for x
    x = 5,762,987,880.66/98,219.10
  6. Step 6: Final answer
    x = 58,674.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.