Home / 151,593.63-209,281.23-91,177.76

Finding the Fourth Proportional to 151,593.63, 209,281.23 and 91,177.76

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Solution

The fourth proportional to 151,593.63, 209,281.23 and 91,177.76 is: 125,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,593.63 : 209,281.23 = 91,177.76 : x
  2. Step 2: Convert to fraction form
    151,593.63/209,281.23 = 91,177.76/x
  3. Step 3: Cross multiply
    151,593.63x = 209,281.23 × 91,177.76
  4. Step 4: Simplify right side
    151,593.63x = 19,081,792,715.04
  5. Step 5: Solve for x
    x = 19,081,792,715.04/151,593.63
  6. Step 6: Final answer
    x = 125,874.63

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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.