Home / 127,626.40-176,111.70-73,928.66

Finding the Fourth Proportional to 127,626.40, 176,111.70 and 73,928.66

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Solution

The fourth proportional to 127,626.40, 176,111.70 and 73,928.66 is: 102,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.40 : 176,111.70 = 73,928.66 : x
  2. Step 2: Convert to fraction form
    127,626.40/176,111.70 = 73,928.66/x
  3. Step 3: Cross multiply
    127,626.40x = 176,111.70 × 73,928.66
  4. Step 4: Simplify right side
    127,626.40x = 13,019,701,991.32
  5. Step 5: Solve for x
    x = 13,019,701,991.32/127,626.40
  6. Step 6: Final answer
    x = 102,014.18

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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.