Home / 113,547.20-169,917.60-98,916.80

Finding the Fourth Proportional to 113,547.20, 169,917.60 and 98,916.80

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Solution

The fourth proportional to 113,547.20, 169,917.60 and 98,916.80 is: 148,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,547.20 : 169,917.60 = 98,916.80 : x
  2. Step 2: Convert to fraction form
    113,547.20/169,917.60 = 98,916.80/x
  3. Step 3: Cross multiply
    113,547.20x = 169,917.60 × 98,916.80
  4. Step 4: Simplify right side
    113,547.20x = 16,807,705,255.68
  5. Step 5: Solve for x
    x = 16,807,705,255.68/113,547.20
  6. Step 6: Final answer
    x = 148,023.95

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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.