Home / 151,331.51-208,846.95-83,348.46

Finding the Fourth Proportional to 151,331.51, 208,846.95 and 83,348.46

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Solution

The fourth proportional to 151,331.51, 208,846.95 and 83,348.46 is: 115,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,331.51 : 208,846.95 = 83,348.46 : x
  2. Step 2: Convert to fraction form
    151,331.51/208,846.95 = 83,348.46/x
  3. Step 3: Cross multiply
    151,331.51x = 208,846.95 × 83,348.46
  4. Step 4: Simplify right side
    151,331.51x = 17,407,071,658.20
  5. Step 5: Solve for x
    x = 17,407,071,658.20/151,331.51
  6. Step 6: Final answer
    x = 115,026.09

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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.