Home / 185,221.53-255,343.92-131,486.94

Finding the Fourth Proportional to 185,221.53, 255,343.92 and 131,486.94

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Solution

The fourth proportional to 185,221.53, 255,343.92 and 131,486.94 is: 181,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,221.53 : 255,343.92 = 131,486.94 : x
  2. Step 2: Convert to fraction form
    185,221.53/255,343.92 = 131,486.94/x
  3. Step 3: Cross multiply
    185,221.53x = 255,343.92 × 131,486.94
  4. Step 4: Simplify right side
    185,221.53x = 33,574,390,688.40
  5. Step 5: Solve for x
    x = 33,574,390,688.40/185,221.53
  6. Step 6: Final answer
    x = 181,266.13

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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.