Home / 127,586.60-176,100.75-98,849.42

Finding the Fourth Proportional to 127,586.60, 176,100.75 and 98,849.42

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Solution

The fourth proportional to 127,586.60, 176,100.75 and 98,849.42 is: 136,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,586.60 : 176,100.75 = 98,849.42 : x
  2. Step 2: Convert to fraction form
    127,586.60/176,100.75 = 98,849.42/x
  3. Step 3: Cross multiply
    127,586.60x = 176,100.75 × 98,849.42
  4. Step 4: Simplify right side
    127,586.60x = 17,407,456,118.56
  5. Step 5: Solve for x
    x = 17,407,456,118.56/127,586.60
  6. Step 6: Final answer
    x = 136,436.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.