Home / 113,359.40-170,039.10-93,314.60

Finding the Fourth Proportional to 113,359.40, 170,039.10 and 93,314.60

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Solution

The fourth proportional to 113,359.40, 170,039.10 and 93,314.60 is: 139,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,359.40 : 170,039.10 = 93,314.60 : x
  2. Step 2: Convert to fraction form
    113,359.40/170,039.10 = 93,314.60/x
  3. Step 3: Cross multiply
    113,359.40x = 170,039.10 × 93,314.60
  4. Step 4: Simplify right side
    113,359.40x = 15,867,130,600.86
  5. Step 5: Solve for x
    x = 15,867,130,600.86/113,359.40
  6. Step 6: Final answer
    x = 139,971.90

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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.