Home / 326,235.04-489,488.64-126,694.24

Finding the Fourth Proportional to 326,235.04, 489,488.64 and 126,694.24

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Solution

The fourth proportional to 326,235.04, 489,488.64 and 126,694.24 is: 190,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,235.04 : 489,488.64 = 126,694.24 : x
  2. Step 2: Convert to fraction form
    326,235.04/489,488.64 = 126,694.24/x
  3. Step 3: Cross multiply
    326,235.04x = 489,488.64 × 126,694.24
  4. Step 4: Simplify right side
    326,235.04x = 62,015,391,233.43
  5. Step 5: Solve for x
    x = 62,015,391,233.43/326,235.04
  6. Step 6: Final answer
    x = 190,094.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.