Home / 156,170.49-215,427.33-98,792.16

Finding the Fourth Proportional to 156,170.49, 215,427.33 and 98,792.16

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Solution

The fourth proportional to 156,170.49, 215,427.33 and 98,792.16 is: 136,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,170.49 : 215,427.33 = 98,792.16 : x
  2. Step 2: Convert to fraction form
    156,170.49/215,427.33 = 98,792.16/x
  3. Step 3: Cross multiply
    156,170.49x = 215,427.33 × 98,792.16
  4. Step 4: Simplify right side
    156,170.49x = 21,282,531,253.73
  5. Step 5: Solve for x
    x = 21,282,531,253.73/156,170.49
  6. Step 6: Final answer
    x = 136,277.55

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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.