Home / 113,705.36-170,558.52-74,281.04

Finding the Fourth Proportional to 113,705.36, 170,558.52 and 74,281.04

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Solution

The fourth proportional to 113,705.36, 170,558.52 and 74,281.04 is: 111,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,705.36 : 170,558.52 = 74,281.04 : x
  2. Step 2: Convert to fraction form
    113,705.36/170,558.52 = 74,281.04/x
  3. Step 3: Cross multiply
    113,705.36x = 170,558.52 × 74,281.04
  4. Step 4: Simplify right side
    113,705.36x = 12,669,264,246.46
  5. Step 5: Solve for x
    x = 12,669,264,246.46/113,705.36
  6. Step 6: Final answer
    x = 111,421.87

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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.