Home / 113,323.40-169,985.10-93,278.60

Finding the Fourth Proportional to 113,323.40, 169,985.10 and 93,278.60

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Solution

The fourth proportional to 113,323.40, 169,985.10 and 93,278.60 is: 139,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,323.40 : 169,985.10 = 93,278.60 : x
  2. Step 2: Convert to fraction form
    113,323.40/169,985.10 = 93,278.60/x
  3. Step 3: Cross multiply
    113,323.40x = 169,985.10 × 93,278.60
  4. Step 4: Simplify right side
    113,323.40x = 15,855,972,148.86
  5. Step 5: Solve for x
    x = 15,855,972,148.86/113,323.40
  6. Step 6: Final answer
    x = 139,917.90

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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.