Home / 134,337.19-185,386.87-76,975.38

Finding the Fourth Proportional to 134,337.19, 185,386.87 and 76,975.38

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Solution

The fourth proportional to 134,337.19, 185,386.87 and 76,975.38 is: 106,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,337.19 : 185,386.87 = 76,975.38 : x
  2. Step 2: Convert to fraction form
    134,337.19/185,386.87 = 76,975.38/x
  3. Step 3: Cross multiply
    134,337.19x = 185,386.87 × 76,975.38
  4. Step 4: Simplify right side
    134,337.19x = 14,270,223,645.89
  5. Step 5: Solve for x
    x = 14,270,223,645.89/134,337.19
  6. Step 6: Final answer
    x = 106,226.90

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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.