Home / 127,529.40-191,294.10-113,751.30

Finding the Fourth Proportional to 127,529.40, 191,294.10 and 113,751.30

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Solution

The fourth proportional to 127,529.40, 191,294.10 and 113,751.30 is: 170,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,529.40 : 191,294.10 = 113,751.30 : x
  2. Step 2: Convert to fraction form
    127,529.40/191,294.10 = 113,751.30/x
  3. Step 3: Cross multiply
    127,529.40x = 191,294.10 × 113,751.30
  4. Step 4: Simplify right side
    127,529.40x = 21,759,952,557.33
  5. Step 5: Solve for x
    x = 21,759,952,557.33/127,529.40
  6. Step 6: Final answer
    x = 170,626.95

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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.