Home / 151,031.90-226,353.45-91,804.70

Finding the Fourth Proportional to 151,031.90, 226,353.45 and 91,804.70

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Solution

The fourth proportional to 151,031.90, 226,353.45 and 91,804.70 is: 137,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.90 : 226,353.45 = 91,804.70 : x
  2. Step 2: Convert to fraction form
    151,031.90/226,353.45 = 91,804.70/x
  3. Step 3: Cross multiply
    151,031.90x = 226,353.45 × 91,804.70
  4. Step 4: Simplify right side
    151,031.90x = 20,780,310,571.22
  5. Step 5: Solve for x
    x = 20,780,310,571.22/151,031.90
  6. Step 6: Final answer
    x = 137,588.88

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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.