Home / 222,007.40-333,011.10-127,140.20

Finding the Fourth Proportional to 222,007.40, 333,011.10 and 127,140.20

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Solution

The fourth proportional to 222,007.40, 333,011.10 and 127,140.20 is: 190,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,007.40 : 333,011.10 = 127,140.20 : x
  2. Step 2: Convert to fraction form
    222,007.40/333,011.10 = 127,140.20/x
  3. Step 3: Cross multiply
    222,007.40x = 333,011.10 × 127,140.20
  4. Step 4: Simplify right side
    222,007.40x = 42,339,097,856.22
  5. Step 5: Solve for x
    x = 42,339,097,856.22/222,007.40
  6. Step 6: Final answer
    x = 190,710.30

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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.