Home / 186,912.18-280,159.29-98,175.06

Finding the Fourth Proportional to 186,912.18, 280,159.29 and 98,175.06

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Solution

The fourth proportional to 186,912.18, 280,159.29 and 98,175.06 is: 147,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,912.18 : 280,159.29 = 98,175.06 : x
  2. Step 2: Convert to fraction form
    186,912.18/280,159.29 = 98,175.06/x
  3. Step 3: Cross multiply
    186,912.18x = 280,159.29 × 98,175.06
  4. Step 4: Simplify right side
    186,912.18x = 27,504,655,105.31
  5. Step 5: Solve for x
    x = 27,504,655,105.31/186,912.18
  6. Step 6: Final answer
    x = 147,152.82

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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.