Home / 154,299.24-231,401.48-54,436.08

Finding the Fourth Proportional to 154,299.24, 231,401.48 and 54,436.08

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Solution

The fourth proportional to 154,299.24, 231,401.48 and 54,436.08 is: 81,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,299.24 : 231,401.48 = 54,436.08 : x
  2. Step 2: Convert to fraction form
    154,299.24/231,401.48 = 54,436.08/x
  3. Step 3: Cross multiply
    154,299.24x = 231,401.48 × 54,436.08
  4. Step 4: Simplify right side
    154,299.24x = 12,596,588,337.46
  5. Step 5: Solve for x
    x = 12,596,588,337.46/154,299.24
  6. Step 6: Final answer
    x = 81,637.40

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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.