Home / 109,647.60-164,143.35-97,837.80

Finding the Fourth Proportional to 109,647.60, 164,143.35 and 97,837.80

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Solution

The fourth proportional to 109,647.60, 164,143.35 and 97,837.80 is: 146,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.60 : 164,143.35 = 97,837.80 : x
  2. Step 2: Convert to fraction form
    109,647.60/164,143.35 = 97,837.80/x
  3. Step 3: Cross multiply
    109,647.60x = 164,143.35 × 97,837.80
  4. Step 4: Simplify right side
    109,647.60x = 16,059,424,248.63
  5. Step 5: Solve for x
    x = 16,059,424,248.63/109,647.60
  6. Step 6: Final answer
    x = 146,463.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.