Home / 127,989.56-176,625.06-71,400.98

Finding the Fourth Proportional to 127,989.56, 176,625.06 and 71,400.98

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Solution

The fourth proportional to 127,989.56, 176,625.06 and 71,400.98 is: 98,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,989.56 : 176,625.06 = 71,400.98 : x
  2. Step 2: Convert to fraction form
    127,989.56/176,625.06 = 71,400.98/x
  3. Step 3: Cross multiply
    127,989.56x = 176,625.06 × 71,400.98
  4. Step 4: Simplify right side
    127,989.56x = 12,611,202,376.56
  5. Step 5: Solve for x
    x = 12,611,202,376.56/127,989.56
  6. Step 6: Final answer
    x = 98,533.06

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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.