Home / 222,535.08-307,126.98-127,019.88

Finding the Fourth Proportional to 222,535.08, 307,126.98 and 127,019.88

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Solution

The fourth proportional to 222,535.08, 307,126.98 and 127,019.88 is: 175,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535.08 : 307,126.98 = 127,019.88 : x
  2. Step 2: Convert to fraction form
    222,535.08/307,126.98 = 127,019.88/x
  3. Step 3: Cross multiply
    222,535.08x = 307,126.98 × 127,019.88
  4. Step 4: Simplify right side
    222,535.08x = 39,011,232,144.36
  5. Step 5: Solve for x
    x = 39,011,232,144.36/222,535.08
  6. Step 6: Final answer
    x = 175,303.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.