Home / 313,507.45-432,635.54-170,266.24

Finding the Fourth Proportional to 313,507.45, 432,635.54 and 170,266.24

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Solution

The fourth proportional to 313,507.45, 432,635.54 and 170,266.24 is: 234,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,507.45 : 432,635.54 = 170,266.24 : x
  2. Step 2: Convert to fraction form
    313,507.45/432,635.54 = 170,266.24/x
  3. Step 3: Cross multiply
    313,507.45x = 432,635.54 × 170,266.24
  4. Step 4: Simplify right side
    313,507.45x = 73,663,226,686.17
  5. Step 5: Solve for x
    x = 73,663,226,686.17/313,507.45
  6. Step 6: Final answer
    x = 234,964.84

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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.