Home / 127,715.42-176,228.84-73,990.54

Finding the Fourth Proportional to 127,715.42, 176,228.84 and 73,990.54

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Solution

The fourth proportional to 127,715.42, 176,228.84 and 73,990.54 is: 102,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.42 : 176,228.84 = 73,990.54 : x
  2. Step 2: Convert to fraction form
    127,715.42/176,228.84 = 73,990.54/x
  3. Step 3: Cross multiply
    127,715.42x = 176,228.84 × 73,990.54
  4. Step 4: Simplify right side
    127,715.42x = 13,039,267,035.17
  5. Step 5: Solve for x
    x = 13,039,267,035.17/127,715.42
  6. Step 6: Final answer
    x = 102,096.26

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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.