Home / 222,186.80-333,280.20-147,407.60

Finding the Fourth Proportional to 222,186.80, 333,280.20 and 147,407.60

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Solution

The fourth proportional to 222,186.80, 333,280.20 and 147,407.60 is: 221,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,186.80 : 333,280.20 = 147,407.60 : x
  2. Step 2: Convert to fraction form
    222,186.80/333,280.20 = 147,407.60/x
  3. Step 3: Cross multiply
    222,186.80x = 333,280.20 × 147,407.60
  4. Step 4: Simplify right side
    222,186.80x = 49,128,034,409.52
  5. Step 5: Solve for x
    x = 49,128,034,409.52/222,186.80
  6. Step 6: Final answer
    x = 221,111.40

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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.