Home / 148,078.20-222,117.30-59,345.40

Finding the Fourth Proportional to 148,078.20, 222,117.30 and 59,345.40

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Solution

The fourth proportional to 148,078.20, 222,117.30 and 59,345.40 is: 89,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,078.20 : 222,117.30 = 59,345.40 : x
  2. Step 2: Convert to fraction form
    148,078.20/222,117.30 = 59,345.40/x
  3. Step 3: Cross multiply
    148,078.20x = 222,117.30 × 59,345.40
  4. Step 4: Simplify right side
    148,078.20x = 13,181,640,015.42
  5. Step 5: Solve for x
    x = 13,181,640,015.42/148,078.20
  6. Step 6: Final answer
    x = 89,018.10

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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.