Home / 128,685.17-193,053.51-44,448.41

Finding the Fourth Proportional to 128,685.17, 193,053.51 and 44,448.41

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Solution

The fourth proportional to 128,685.17, 193,053.51 and 44,448.41 is: 66,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,685.17 : 193,053.51 = 44,448.41 : x
  2. Step 2: Convert to fraction form
    128,685.17/193,053.51 = 44,448.41/x
  3. Step 3: Cross multiply
    128,685.17x = 193,053.51 × 44,448.41
  4. Step 4: Simplify right side
    128,685.17x = 8,580,922,047.05
  5. Step 5: Solve for x
    x = 8,580,922,047.05/128,685.17
  6. Step 6: Final answer
    x = 66,681.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.