Home / 158,423.87-238,134.03-137,622.93

Finding the Fourth Proportional to 158,423.87, 238,134.03 and 137,622.93

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Solution

The fourth proportional to 158,423.87, 238,134.03 and 137,622.93 is: 206,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,423.87 : 238,134.03 = 137,622.93 : x
  2. Step 2: Convert to fraction form
    158,423.87/238,134.03 = 137,622.93/x
  3. Step 3: Cross multiply
    158,423.87x = 238,134.03 × 137,622.93
  4. Step 4: Simplify right side
    158,423.87x = 32,772,702,941.31
  5. Step 5: Solve for x
    x = 32,772,702,941.31/158,423.87
  6. Step 6: Final answer
    x = 206,867.21

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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.