Home / 148,071.70-222,216.90-98,135.20

Finding the Fourth Proportional to 148,071.70, 222,216.90 and 98,135.20

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Solution

The fourth proportional to 148,071.70, 222,216.90 and 98,135.20 is: 147,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,071.70 : 222,216.90 = 98,135.20 : x
  2. Step 2: Convert to fraction form
    148,071.70/222,216.90 = 98,135.20/x
  3. Step 3: Cross multiply
    148,071.70x = 222,216.90 × 98,135.20
  4. Step 4: Simplify right side
    148,071.70x = 21,807,299,924.88
  5. Step 5: Solve for x
    x = 21,807,299,924.88/148,071.70
  6. Step 6: Final answer
    x = 147,275.27

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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.