Home / 154,437.35-213,530.20-135,262.14

Finding the Fourth Proportional to 154,437.35, 213,530.20 and 135,262.14

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Solution

The fourth proportional to 154,437.35, 213,530.20 and 135,262.14 is: 187,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.35 : 213,530.20 = 135,262.14 : x
  2. Step 2: Convert to fraction form
    154,437.35/213,530.20 = 135,262.14/x
  3. Step 3: Cross multiply
    154,437.35x = 213,530.20 × 135,262.14
  4. Step 4: Simplify right side
    154,437.35x = 28,882,551,806.63
  5. Step 5: Solve for x
    x = 28,882,551,806.63/154,437.35
  6. Step 6: Final answer
    x = 187,017.92

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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.