Home / 313,346.93-432,428.36-177,378.12

Finding the Fourth Proportional to 313,346.93, 432,428.36 and 177,378.12

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Solution

The fourth proportional to 313,346.93, 432,428.36 and 177,378.12 is: 244,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,346.93 : 432,428.36 = 177,378.12 : x
  2. Step 2: Convert to fraction form
    313,346.93/432,428.36 = 177,378.12/x
  3. Step 3: Cross multiply
    313,346.93x = 432,428.36 × 177,378.12
  4. Step 4: Simplify right side
    313,346.93x = 76,703,328,644.59
  5. Step 5: Solve for x
    x = 76,703,328,644.59/313,346.93
  6. Step 6: Final answer
    x = 244,787.24

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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.