Home / 158,112.76-237,003.90-69,291.40

Finding the Fourth Proportional to 158,112.76, 237,003.90 and 69,291.40

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Solution

The fourth proportional to 158,112.76, 237,003.90 and 69,291.40 is: 103,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,112.76 : 237,003.90 = 69,291.40 : x
  2. Step 2: Convert to fraction form
    158,112.76/237,003.90 = 69,291.40/x
  3. Step 3: Cross multiply
    158,112.76x = 237,003.90 × 69,291.40
  4. Step 4: Simplify right side
    158,112.76x = 16,422,332,036.46
  5. Step 5: Solve for x
    x = 16,422,332,036.46/158,112.76
  6. Step 6: Final answer
    x = 103,864.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.