Home / 152,738.51-229,275.36-121,350.33

Finding the Fourth Proportional to 152,738.51, 229,275.36 and 121,350.33

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Solution

The fourth proportional to 152,738.51, 229,275.36 and 121,350.33 is: 182,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,738.51 : 229,275.36 = 121,350.33 : x
  2. Step 2: Convert to fraction form
    152,738.51/229,275.36 = 121,350.33/x
  3. Step 3: Cross multiply
    152,738.51x = 229,275.36 × 121,350.33
  4. Step 4: Simplify right side
    152,738.51x = 27,822,639,990.12
  5. Step 5: Solve for x
    x = 27,822,639,990.12/152,738.51
  6. Step 6: Final answer
    x = 182,158.65

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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.