Home / 98,233.04-147,350.59-78,636.17

Finding the Fourth Proportional to 98,233.04, 147,350.59 and 78,636.17

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Solution

The fourth proportional to 98,233.04, 147,350.59 and 78,636.17 is: 117,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,233.04 : 147,350.59 = 78,636.17 : x
  2. Step 2: Convert to fraction form
    98,233.04/147,350.59 = 78,636.17/x
  3. Step 3: Cross multiply
    98,233.04x = 147,350.59 × 78,636.17
  4. Step 4: Simplify right side
    98,233.04x = 11,587,086,044.84
  5. Step 5: Solve for x
    x = 11,587,086,044.84/98,233.04
  6. Step 6: Final answer
    x = 117,955.08

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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.