Home / 113,166.70-169,750.05-71,176.30

Finding the Fourth Proportional to 113,166.70, 169,750.05 and 71,176.30

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Solution

The fourth proportional to 113,166.70, 169,750.05 and 71,176.30 is: 106,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,166.70 : 169,750.05 = 71,176.30 : x
  2. Step 2: Convert to fraction form
    113,166.70/169,750.05 = 71,176.30/x
  3. Step 3: Cross multiply
    113,166.70x = 169,750.05 × 71,176.30
  4. Step 4: Simplify right side
    113,166.70x = 12,082,180,483.82
  5. Step 5: Solve for x
    x = 12,082,180,483.82/113,166.70
  6. Step 6: Final answer
    x = 106,764.45

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1.5x scale

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.