Home / 127,706.60-176,235.36-70,344.56

Finding the Fourth Proportional to 127,706.60, 176,235.36 and 70,344.56

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Solution

The fourth proportional to 127,706.60, 176,235.36 and 70,344.56 is: 97,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,706.60 : 176,235.36 = 70,344.56 : x
  2. Step 2: Convert to fraction form
    127,706.60/176,235.36 = 70,344.56/x
  3. Step 3: Cross multiply
    127,706.60x = 176,235.36 × 70,344.56
  4. Step 4: Simplify right side
    127,706.60x = 12,397,198,855.64
  5. Step 5: Solve for x
    x = 12,397,198,855.64/127,706.60
  6. Step 6: Final answer
    x = 97,075.63

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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.