Home / 115,151.49-158,894.73-66,753.18

Finding the Fourth Proportional to 115,151.49, 158,894.73 and 66,753.18

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Solution

The fourth proportional to 115,151.49, 158,894.73 and 66,753.18 is: 92,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.49 : 158,894.73 = 66,753.18 : x
  2. Step 2: Convert to fraction form
    115,151.49/158,894.73 = 66,753.18/x
  3. Step 3: Cross multiply
    115,151.49x = 158,894.73 × 66,753.18
  4. Step 4: Simplify right side
    115,151.49x = 10,606,728,512.74
  5. Step 5: Solve for x
    x = 10,606,728,512.74/115,151.49
  6. Step 6: Final answer
    x = 92,111.08

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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.