Home / 151,285.77-208,772.64-83,301.33

Finding the Fourth Proportional to 151,285.77, 208,772.64 and 83,301.33

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Solution

The fourth proportional to 151,285.77, 208,772.64 and 83,301.33 is: 114,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,285.77 : 208,772.64 = 83,301.33 : x
  2. Step 2: Convert to fraction form
    151,285.77/208,772.64 = 83,301.33/x
  3. Step 3: Cross multiply
    151,285.77x = 208,772.64 × 83,301.33
  4. Step 4: Simplify right side
    151,285.77x = 17,391,038,579.61
  5. Step 5: Solve for x
    x = 17,391,038,579.61/151,285.77
  6. Step 6: Final answer
    x = 114,954.89

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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.