Home / 153,534.43-211,877.94-89,016.18

Finding the Fourth Proportional to 153,534.43, 211,877.94 and 89,016.18

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Solution

The fourth proportional to 153,534.43, 211,877.94 and 89,016.18 is: 122,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,534.43 : 211,877.94 = 89,016.18 : x
  2. Step 2: Convert to fraction form
    153,534.43/211,877.94 = 89,016.18/x
  3. Step 3: Cross multiply
    153,534.43x = 211,877.94 × 89,016.18
  4. Step 4: Simplify right side
    153,534.43x = 18,860,564,845.07
  5. Step 5: Solve for x
    x = 18,860,564,845.07/153,534.43
  6. Step 6: Final answer
    x = 122,842.58

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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.