Home / 154,464.10-231,890.55-83,443.30

Finding the Fourth Proportional to 154,464.10, 231,890.55 and 83,443.30

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Solution

The fourth proportional to 154,464.10, 231,890.55 and 83,443.30 is: 125,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464.10 : 231,890.55 = 83,443.30 : x
  2. Step 2: Convert to fraction form
    154,464.10/231,890.55 = 83,443.30/x
  3. Step 3: Cross multiply
    154,464.10x = 231,890.55 × 83,443.30
  4. Step 4: Simplify right side
    154,464.10x = 19,349,712,730.82
  5. Step 5: Solve for x
    x = 19,349,712,730.82/154,464.10
  6. Step 6: Final answer
    x = 125,269.97

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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.