Home / 313,360.33-432,437.27-170,120.17

Finding the Fourth Proportional to 313,360.33, 432,437.27 and 170,120.17

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Solution

The fourth proportional to 313,360.33, 432,437.27 and 170,120.17 is: 234,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,360.33 : 432,437.27 = 170,120.17 : x
  2. Step 2: Convert to fraction form
    313,360.33/432,437.27 = 170,120.17/x
  3. Step 3: Cross multiply
    313,360.33x = 432,437.27 × 170,120.17
  4. Step 4: Simplify right side
    313,360.33x = 73,566,301,036.14
  5. Step 5: Solve for x
    x = 73,566,301,036.14/313,360.33
  6. Step 6: Final answer
    x = 234,765.84

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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.