Home / 313,192.40-432,203.32-169,948.76

Finding the Fourth Proportional to 313,192.40, 432,203.32 and 169,948.76

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Solution

The fourth proportional to 313,192.40, 432,203.32 and 169,948.76 is: 234,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,192.40 : 432,203.32 = 169,948.76 : x
  2. Step 2: Convert to fraction form
    313,192.40/432,203.32 = 169,948.76/x
  3. Step 3: Cross multiply
    313,192.40x = 432,203.32 × 169,948.76
  4. Step 4: Simplify right side
    313,192.40x = 73,452,418,301.88
  5. Step 5: Solve for x
    x = 73,452,418,301.88/313,192.40
  6. Step 6: Final answer
    x = 234,528.10

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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.