Home / 313,676.13-432,875.70-170,436.18

Finding the Fourth Proportional to 313,676.13, 432,875.70 and 170,436.18

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Solution

The fourth proportional to 313,676.13, 432,875.70 and 170,436.18 is: 235,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,676.13 : 432,875.70 = 170,436.18 : x
  2. Step 2: Convert to fraction form
    313,676.13/432,875.70 = 170,436.18/x
  3. Step 3: Cross multiply
    313,676.13x = 432,875.70 × 170,436.18
  4. Step 4: Simplify right side
    313,676.13x = 73,777,678,813.56
  5. Step 5: Solve for x
    x = 73,777,678,813.56/313,676.13
  6. Step 6: Final answer
    x = 235,203.36

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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.