Home / 151,097.40-226,451.70-91,870.20

Finding the Fourth Proportional to 151,097.40, 226,451.70 and 91,870.20

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Solution

The fourth proportional to 151,097.40, 226,451.70 and 91,870.20 is: 137,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,097.40 : 226,451.70 = 91,870.20 : x
  2. Step 2: Convert to fraction form
    151,097.40/226,451.70 = 91,870.20/x
  3. Step 3: Cross multiply
    151,097.40x = 226,451.70 × 91,870.20
  4. Step 4: Simplify right side
    151,097.40x = 20,804,162,969.34
  5. Step 5: Solve for x
    x = 20,804,162,969.34/151,097.40
  6. Step 6: Final answer
    x = 137,687.10

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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.