Home / 222,187.24-333,177.18-128,719.72

Finding the Fourth Proportional to 222,187.24, 333,177.18 and 128,719.72

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Solution

The fourth proportional to 222,187.24, 333,177.18 and 128,719.72 is: 193,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,187.24 : 333,177.18 = 128,719.72 : x
  2. Step 2: Convert to fraction form
    222,187.24/333,177.18 = 128,719.72/x
  3. Step 3: Cross multiply
    222,187.24x = 333,177.18 × 128,719.72
  4. Step 4: Simplify right side
    222,187.24x = 42,886,473,319.99
  5. Step 5: Solve for x
    x = 42,886,473,319.99/222,187.24
  6. Step 6: Final answer
    x = 193,019.52

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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.