Home / 154,234.74-212,842.48-86,250.94

Finding the Fourth Proportional to 154,234.74, 212,842.48 and 86,250.94

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Solution

The fourth proportional to 154,234.74, 212,842.48 and 86,250.94 is: 119,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.74 : 212,842.48 = 86,250.94 : x
  2. Step 2: Convert to fraction form
    154,234.74/212,842.48 = 86,250.94/x
  3. Step 3: Cross multiply
    154,234.74x = 212,842.48 × 86,250.94
  4. Step 4: Simplify right side
    154,234.74x = 18,357,863,971.93
  5. Step 5: Solve for x
    x = 18,357,863,971.93/154,234.74
  6. Step 6: Final answer
    x = 119,025.48

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1.5x scale

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.