Home / 288,189.27-397,785.65-167,384.85

Finding the Fourth Proportional to 288,189.27, 397,785.65 and 167,384.85

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Solution

The fourth proportional to 288,189.27, 397,785.65 and 167,384.85 is: 231,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,189.27 : 397,785.65 = 167,384.85 : x
  2. Step 2: Convert to fraction form
    288,189.27/397,785.65 = 167,384.85/x
  3. Step 3: Cross multiply
    288,189.27x = 397,785.65 × 167,384.85
  4. Step 4: Simplify right side
    288,189.27x = 66,583,291,357.40
  5. Step 5: Solve for x
    x = 66,583,291,357.40/288,189.27
  6. Step 6: Final answer
    x = 231,040.15

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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.