Home / 127,083.29-190,626.31-38,337.57

Finding the Fourth Proportional to 127,083.29, 190,626.31 and 38,337.57

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Solution

The fourth proportional to 127,083.29, 190,626.31 and 38,337.57 is: 57,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.29 : 190,626.31 = 38,337.57 : x
  2. Step 2: Convert to fraction form
    127,083.29/190,626.31 = 38,337.57/x
  3. Step 3: Cross multiply
    127,083.29x = 190,626.31 × 38,337.57
  4. Step 4: Simplify right side
    127,083.29x = 7,308,148,692.77
  5. Step 5: Solve for x
    x = 7,308,148,692.77/127,083.29
  6. Step 6: Final answer
    x = 57,506.76

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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.