Home / 313,279.92-432,329.48-170,041.20

Finding the Fourth Proportional to 313,279.92, 432,329.48 and 170,041.20

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Solution

The fourth proportional to 313,279.92, 432,329.48 and 170,041.20 is: 234,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,279.92 : 432,329.48 = 170,041.20 : x
  2. Step 2: Convert to fraction form
    313,279.92/432,329.48 = 170,041.20/x
  3. Step 3: Cross multiply
    313,279.92x = 432,329.48 × 170,041.20
  4. Step 4: Simplify right side
    313,279.92x = 73,513,823,574.58
  5. Step 5: Solve for x
    x = 73,513,823,574.58/313,279.92
  6. Step 6: Final answer
    x = 234,658.59

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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.