Home / 313,566.15-432,729.33-170,334.39

Finding the Fourth Proportional to 313,566.15, 432,729.33 and 170,334.39

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Solution

The fourth proportional to 313,566.15, 432,729.33 and 170,334.39 is: 235,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,566.15 : 432,729.33 = 170,334.39 : x
  2. Step 2: Convert to fraction form
    313,566.15/432,729.33 = 170,334.39/x
  3. Step 3: Cross multiply
    313,566.15x = 432,729.33 × 170,334.39
  4. Step 4: Simplify right side
    313,566.15x = 73,708,683,445.34
  5. Step 5: Solve for x
    x = 73,708,683,445.34/313,566.15
  6. Step 6: Final answer
    x = 235,065.82

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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.