Home / 107,400.60-161,100.90-99,527.40

Finding the Fourth Proportional to 107,400.60, 161,100.90 and 99,527.40

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Solution

The fourth proportional to 107,400.60, 161,100.90 and 99,527.40 is: 149,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,400.60 : 161,100.90 = 99,527.40 : x
  2. Step 2: Convert to fraction form
    107,400.60/161,100.90 = 99,527.40/x
  3. Step 3: Cross multiply
    107,400.60x = 161,100.90 × 99,527.40
  4. Step 4: Simplify right side
    107,400.60x = 16,033,953,714.66
  5. Step 5: Solve for x
    x = 16,033,953,714.66/107,400.60
  6. Step 6: Final answer
    x = 149,291.10

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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.