Home / 113,091.80-169,637.70-73,693.40

Finding the Fourth Proportional to 113,091.80, 169,637.70 and 73,693.40

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Solution

The fourth proportional to 113,091.80, 169,637.70 and 73,693.40 is: 110,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,091.80 : 169,637.70 = 73,693.40 : x
  2. Step 2: Convert to fraction form
    113,091.80/169,637.70 = 73,693.40/x
  3. Step 3: Cross multiply
    113,091.80x = 169,637.70 × 73,693.40
  4. Step 4: Simplify right side
    113,091.80x = 12,501,178,881.18
  5. Step 5: Solve for x
    x = 12,501,178,881.18/113,091.80
  6. Step 6: Final answer
    x = 110,540.10

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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.