Home / 151,717.61-209,251.96-97,274.98

Finding the Fourth Proportional to 151,717.61, 209,251.96 and 97,274.98

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Solution

The fourth proportional to 151,717.61, 209,251.96 and 97,274.98 is: 134,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,717.61 : 209,251.96 = 97,274.98 : x
  2. Step 2: Convert to fraction form
    151,717.61/209,251.96 = 97,274.98/x
  3. Step 3: Cross multiply
    151,717.61x = 209,251.96 × 97,274.98
  4. Step 4: Simplify right side
    151,717.61x = 20,354,980,223.96
  5. Step 5: Solve for x
    x = 20,354,980,223.96/151,717.61
  6. Step 6: Final answer
    x = 134,163.60

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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.