Home / 127,667.66-191,437.34-74,377.22

Finding the Fourth Proportional to 127,667.66, 191,437.34 and 74,377.22

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Solution

The fourth proportional to 127,667.66, 191,437.34 and 74,377.22 is: 111,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,667.66 : 191,437.34 = 74,377.22 : x
  2. Step 2: Convert to fraction form
    127,667.66/191,437.34 = 74,377.22/x
  3. Step 3: Cross multiply
    127,667.66x = 191,437.34 × 74,377.22
  4. Step 4: Simplify right side
    127,667.66x = 14,238,577,153.39
  5. Step 5: Solve for x
    x = 14,238,577,153.39/127,667.66
  6. Step 6: Final answer
    x = 111,528.46

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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.