Home / 115,436.66-159,154.47-94,663.53

Finding the Fourth Proportional to 115,436.66, 159,154.47 and 94,663.53

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Solution

The fourth proportional to 115,436.66, 159,154.47 and 94,663.53 is: 130,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,436.66 : 159,154.47 = 94,663.53 : x
  2. Step 2: Convert to fraction form
    115,436.66/159,154.47 = 94,663.53/x
  3. Step 3: Cross multiply
    115,436.66x = 159,154.47 × 94,663.53
  4. Step 4: Simplify right side
    115,436.66x = 15,066,123,945.48
  5. Step 5: Solve for x
    x = 15,066,123,945.48/115,436.66
  6. Step 6: Final answer
    x = 130,514.21

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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.