Home / 158,011.12-218,058.78-94,337.02

Finding the Fourth Proportional to 158,011.12, 218,058.78 and 94,337.02

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Solution

The fourth proportional to 158,011.12, 218,058.78 and 94,337.02 is: 130,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,011.12 : 218,058.78 = 94,337.02 : x
  2. Step 2: Convert to fraction form
    158,011.12/218,058.78 = 94,337.02/x
  3. Step 3: Cross multiply
    158,011.12x = 218,058.78 × 94,337.02
  4. Step 4: Simplify right side
    158,011.12x = 20,571,015,490.04
  5. Step 5: Solve for x
    x = 20,571,015,490.04/158,011.12
  6. Step 6: Final answer
    x = 130,187.14

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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.