Home / 113,701.48-170,551.73-88,762.39

Finding the Fourth Proportional to 113,701.48, 170,551.73 and 88,762.39

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Solution

The fourth proportional to 113,701.48, 170,551.73 and 88,762.39 is: 133,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.48 : 170,551.73 = 88,762.39 : x
  2. Step 2: Convert to fraction form
    113,701.48/170,551.73 = 88,762.39/x
  3. Step 3: Cross multiply
    113,701.48x = 170,551.73 × 88,762.39
  4. Step 4: Simplify right side
    113,701.48x = 15,138,578,968.96
  5. Step 5: Solve for x
    x = 15,138,578,968.96/113,701.48
  6. Step 6: Final answer
    x = 133,143.20

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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.