Home / 98,386.20-147,579.30-93,605.79

Finding the Fourth Proportional to 98,386.20, 147,579.30 and 93,605.79

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Solution

The fourth proportional to 98,386.20, 147,579.30 and 93,605.79 is: 140,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386.20 : 147,579.30 = 93,605.79 : x
  2. Step 2: Convert to fraction form
    98,386.20/147,579.30 = 93,605.79/x
  3. Step 3: Cross multiply
    98,386.20x = 147,579.30 × 93,605.79
  4. Step 4: Simplify right side
    98,386.20x = 13,814,275,758.22
  5. Step 5: Solve for x
    x = 13,814,275,758.22/98,386.20
  6. Step 6: Final answer
    x = 140,408.67

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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.