Home / 153,552.11-211,920.30-89,889.75

Finding the Fourth Proportional to 153,552.11, 211,920.30 and 89,889.75

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Solution

The fourth proportional to 153,552.11, 211,920.30 and 89,889.75 is: 124,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,552.11 : 211,920.30 = 89,889.75 : x
  2. Step 2: Convert to fraction form
    153,552.11/211,920.30 = 89,889.75/x
  3. Step 3: Cross multiply
    153,552.11x = 211,920.30 × 89,889.75
  4. Step 4: Simplify right side
    153,552.11x = 19,049,462,786.93
  5. Step 5: Solve for x
    x = 19,049,462,786.93/153,552.11
  6. Step 6: Final answer
    x = 124,058.62

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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.