Home / 313,465.60-432,581.20-170,224.48

Finding the Fourth Proportional to 313,465.60, 432,581.20 and 170,224.48

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Solution

The fourth proportional to 313,465.60, 432,581.20 and 170,224.48 is: 234,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,465.60 : 432,581.20 = 170,224.48 : x
  2. Step 2: Convert to fraction form
    313,465.60/432,581.20 = 170,224.48/x
  3. Step 3: Cross multiply
    313,465.60x = 432,581.20 × 170,224.48
  4. Step 4: Simplify right side
    313,465.60x = 73,635,909,827.78
  5. Step 5: Solve for x
    x = 73,635,909,827.78/313,465.60
  6. Step 6: Final answer
    x = 234,909.06

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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.