Home / 154,300.90-231,404.27-54,437.77

Finding the Fourth Proportional to 154,300.90, 231,404.27 and 54,437.77

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Solution

The fourth proportional to 154,300.90, 231,404.27 and 54,437.77 is: 81,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,300.90 : 231,404.27 = 54,437.77 : x
  2. Step 2: Convert to fraction form
    154,300.90/231,404.27 = 54,437.77/x
  3. Step 3: Cross multiply
    154,300.90x = 231,404.27 × 54,437.77
  4. Step 4: Simplify right side
    154,300.90x = 12,597,132,597.45
  5. Step 5: Solve for x
    x = 12,597,132,597.45/154,300.90
  6. Step 6: Final answer
    x = 81,640.05

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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.