Home / 98,231.04-147,347.59-78,634.17

Finding the Fourth Proportional to 98,231.04, 147,347.59 and 78,634.17

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Solution

The fourth proportional to 98,231.04, 147,347.59 and 78,634.17 is: 117,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,231.04 : 147,347.59 = 78,634.17 : x
  2. Step 2: Convert to fraction form
    98,231.04/147,347.59 = 78,634.17/x
  3. Step 3: Cross multiply
    98,231.04x = 147,347.59 × 78,634.17
  4. Step 4: Simplify right side
    98,231.04x = 11,586,555,244.56
  5. Step 5: Solve for x
    x = 11,586,555,244.56/98,231.04
  6. Step 6: Final answer
    x = 117,952.08

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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.