Home / 252,113.51-347,925.38-137,401.72

Finding the Fourth Proportional to 252,113.51, 347,925.38 and 137,401.72

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Solution

The fourth proportional to 252,113.51, 347,925.38 and 137,401.72 is: 189,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,113.51 : 347,925.38 = 137,401.72 : x
  2. Step 2: Convert to fraction form
    252,113.51/347,925.38 = 137,401.72/x
  3. Step 3: Cross multiply
    252,113.51x = 347,925.38 × 137,401.72
  4. Step 4: Simplify right side
    252,113.51x = 47,805,544,086.83
  5. Step 5: Solve for x
    x = 47,805,544,086.83/252,113.51
  6. Step 6: Final answer
    x = 189,619.13

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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.