Home / 153,943.49-211,626.48-132,353.66

Finding the Fourth Proportional to 153,943.49, 211,626.48 and 132,353.66

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Solution

The fourth proportional to 153,943.49, 211,626.48 and 132,353.66 is: 181,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,943.49 : 211,626.48 = 132,353.66 : x
  2. Step 2: Convert to fraction form
    153,943.49/211,626.48 = 132,353.66/x
  3. Step 3: Cross multiply
    153,943.49x = 211,626.48 × 132,353.66
  4. Step 4: Simplify right side
    153,943.49x = 28,009,538,122.78
  5. Step 5: Solve for x
    x = 28,009,538,122.78/153,943.49
  6. Step 6: Final answer
    x = 181,946.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.