Home / 313,319.19-432,381.03-170,079.33

Finding the Fourth Proportional to 313,319.19, 432,381.03 and 170,079.33

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Solution

The fourth proportional to 313,319.19, 432,381.03 and 170,079.33 is: 234,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,319.19 : 432,381.03 = 170,079.33 : x
  2. Step 2: Convert to fraction form
    313,319.19/432,381.03 = 170,079.33/x
  3. Step 3: Cross multiply
    313,319.19x = 432,381.03 × 170,079.33
  4. Step 4: Simplify right side
    313,319.19x = 73,539,077,605.86
  5. Step 5: Solve for x
    x = 73,539,077,605.86/313,319.19
  6. Step 6: Final answer
    x = 234,709.78

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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.