Home / 128,497.32-177,381.90-96,674.04

Finding the Fourth Proportional to 128,497.32, 177,381.90 and 96,674.04

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Solution

The fourth proportional to 128,497.32, 177,381.90 and 96,674.04 is: 133,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,497.32 : 177,381.90 = 96,674.04 : x
  2. Step 2: Convert to fraction form
    128,497.32/177,381.90 = 96,674.04/x
  3. Step 3: Cross multiply
    128,497.32x = 177,381.90 × 96,674.04
  4. Step 4: Simplify right side
    128,497.32x = 17,148,224,895.88
  5. Step 5: Solve for x
    x = 17,148,224,895.88/128,497.32
  6. Step 6: Final answer
    x = 133,452.00

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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.