Home / 154,097.40-231,491.70-148,222.20

Finding the Fourth Proportional to 154,097.40, 231,491.70 and 148,222.20

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Solution

The fourth proportional to 154,097.40, 231,491.70 and 148,222.20 is: 222,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,097.40 : 231,491.70 = 148,222.20 : x
  2. Step 2: Convert to fraction form
    154,097.40/231,491.70 = 148,222.20/x
  3. Step 3: Cross multiply
    154,097.40x = 231,491.70 × 148,222.20
  4. Step 4: Simplify right side
    154,097.40x = 34,312,209,055.74
  5. Step 5: Solve for x
    x = 34,312,209,055.74/154,097.40
  6. Step 6: Final answer
    x = 222,665.72

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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.