Home / 151,887.48-209,586.76-83,900.38

Finding the Fourth Proportional to 151,887.48, 209,586.76 and 83,900.38

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Solution

The fourth proportional to 151,887.48, 209,586.76 and 83,900.38 is: 115,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,887.48 : 209,586.76 = 83,900.38 : x
  2. Step 2: Convert to fraction form
    151,887.48/209,586.76 = 83,900.38/x
  3. Step 3: Cross multiply
    151,887.48x = 209,586.76 × 83,900.38
  4. Step 4: Simplify right side
    151,887.48x = 17,584,408,806.97
  5. Step 5: Solve for x
    x = 17,584,408,806.97/151,887.48
  6. Step 6: Final answer
    x = 115,772.60

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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.