Home / 98,175.12-147,240.36-38,994.84

Finding the Fourth Proportional to 98,175.12, 147,240.36 and 38,994.84

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Solution

The fourth proportional to 98,175.12, 147,240.36 and 38,994.84 is: 58,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,175.12 : 147,240.36 = 38,994.84 : x
  2. Step 2: Convert to fraction form
    98,175.12/147,240.36 = 38,994.84/x
  3. Step 3: Cross multiply
    98,175.12x = 147,240.36 × 38,994.84
  4. Step 4: Simplify right side
    98,175.12x = 5,741,614,279.74
  5. Step 5: Solve for x
    x = 5,741,614,279.74/98,175.12
  6. Step 6: Final answer
    x = 58,483.39

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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.