Home / 153,900.51-230,932.05-109,210.65

Finding the Fourth Proportional to 153,900.51, 230,932.05 and 109,210.65

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Solution

The fourth proportional to 153,900.51, 230,932.05 and 109,210.65 is: 163,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,900.51 : 230,932.05 = 109,210.65 : x
  2. Step 2: Convert to fraction form
    153,900.51/230,932.05 = 109,210.65/x
  3. Step 3: Cross multiply
    153,900.51x = 230,932.05 × 109,210.65
  4. Step 4: Simplify right side
    153,900.51x = 25,220,239,286.33
  5. Step 5: Solve for x
    x = 25,220,239,286.33/153,900.51
  6. Step 6: Final answer
    x = 163,873.66

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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.