Home / 153,041.05-211,135.92-88,498.36

Finding the Fourth Proportional to 153,041.05, 211,135.92 and 88,498.36

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Solution

The fourth proportional to 153,041.05, 211,135.92 and 88,498.36 is: 122,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,041.05 : 211,135.92 = 88,498.36 : x
  2. Step 2: Convert to fraction form
    153,041.05/211,135.92 = 88,498.36/x
  3. Step 3: Cross multiply
    153,041.05x = 211,135.92 × 88,498.36
  4. Step 4: Simplify right side
    153,041.05x = 18,685,182,657.09
  5. Step 5: Solve for x
    x = 18,685,182,657.09/153,041.05
  6. Step 6: Final answer
    x = 122,092.62

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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.