Home / 313,538.77-432,688.13-177,569.34

Finding the Fourth Proportional to 313,538.77, 432,688.13 and 177,569.34

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Solution

The fourth proportional to 313,538.77, 432,688.13 and 177,569.34 is: 245,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,538.77 : 432,688.13 = 177,569.34 : x
  2. Step 2: Convert to fraction form
    313,538.77/432,688.13 = 177,569.34/x
  3. Step 3: Cross multiply
    313,538.77x = 432,688.13 × 177,569.34
  4. Step 4: Simplify right side
    313,538.77x = 76,832,145,669.93
  5. Step 5: Solve for x
    x = 76,832,145,669.93/313,538.77
  6. Step 6: Final answer
    x = 245,048.31

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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.