Home / 154,554.40-231,394.20-137,058.40

Finding the Fourth Proportional to 154,554.40, 231,394.20 and 137,058.40

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Solution

The fourth proportional to 154,554.40, 231,394.20 and 137,058.40 is: 205,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,554.40 : 231,394.20 = 137,058.40 : x
  2. Step 2: Convert to fraction form
    154,554.40/231,394.20 = 137,058.40/x
  3. Step 3: Cross multiply
    154,554.40x = 231,394.20 × 137,058.40
  4. Step 4: Simplify right side
    154,554.40x = 31,714,518,821.28
  5. Step 5: Solve for x
    x = 31,714,518,821.28/154,554.40
  6. Step 6: Final answer
    x = 205,199.71

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1.5x scale

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.