Home / 151,239.73-208,703.67-83,255.32

Finding the Fourth Proportional to 151,239.73, 208,703.67 and 83,255.32

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Solution

The fourth proportional to 151,239.73, 208,703.67 and 83,255.32 is: 114,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,239.73 : 208,703.67 = 83,255.32 : x
  2. Step 2: Convert to fraction form
    151,239.73/208,703.67 = 83,255.32/x
  3. Step 3: Cross multiply
    151,239.73x = 208,703.67 × 83,255.32
  4. Step 4: Simplify right side
    151,239.73x = 17,375,690,831.02
  5. Step 5: Solve for x
    x = 17,375,690,831.02/151,239.73
  6. Step 6: Final answer
    x = 114,888.40

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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.