Home / 213,053.16-319,325.58-99,046.92

Finding the Fourth Proportional to 213,053.16, 319,325.58 and 99,046.92

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Solution

The fourth proportional to 213,053.16, 319,325.58 and 99,046.92 is: 148,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,053.16 : 319,325.58 = 99,046.92 : x
  2. Step 2: Convert to fraction form
    213,053.16/319,325.58 = 99,046.92/x
  3. Step 3: Cross multiply
    213,053.16x = 319,325.58 × 99,046.92
  4. Step 4: Simplify right side
    213,053.16x = 31,628,215,176.21
  5. Step 5: Solve for x
    x = 31,628,215,176.21/213,053.16
  6. Step 6: Final answer
    x = 148,452.22

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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.