Home / 148,776.12-222,925.80-133,669.20

Finding the Fourth Proportional to 148,776.12, 222,925.80 and 133,669.20

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Solution

The fourth proportional to 148,776.12, 222,925.80 and 133,669.20 is: 200,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,776.12 : 222,925.80 = 133,669.20 : x
  2. Step 2: Convert to fraction form
    148,776.12/222,925.80 = 133,669.20/x
  3. Step 3: Cross multiply
    148,776.12x = 222,925.80 × 133,669.20
  4. Step 4: Simplify right side
    148,776.12x = 29,798,313,345.36
  5. Step 5: Solve for x
    x = 29,798,313,345.36/148,776.12
  6. Step 6: Final answer
    x = 200,289.63

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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.