Home / 148,179.68-222,280.32-42,999.20

Finding the Fourth Proportional to 148,179.68, 222,280.32 and 42,999.20

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Solution

The fourth proportional to 148,179.68, 222,280.32 and 42,999.20 is: 64,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,179.68 : 222,280.32 = 42,999.20 : x
  2. Step 2: Convert to fraction form
    148,179.68/222,280.32 = 42,999.20/x
  3. Step 3: Cross multiply
    148,179.68x = 222,280.32 × 42,999.20
  4. Step 4: Simplify right side
    148,179.68x = 9,557,875,935.74
  5. Step 5: Solve for x
    x = 9,557,875,935.74/148,179.68
  6. Step 6: Final answer
    x = 64,501.93

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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.