Home / 151,243.21-208,711.95-83,259.63

Finding the Fourth Proportional to 151,243.21, 208,711.95 and 83,259.63

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Solution

The fourth proportional to 151,243.21, 208,711.95 and 83,259.63 is: 114,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,243.21 : 208,711.95 = 83,259.63 : x
  2. Step 2: Convert to fraction form
    151,243.21/208,711.95 = 83,259.63/x
  3. Step 3: Cross multiply
    151,243.21x = 208,711.95 × 83,259.63
  4. Step 4: Simplify right side
    151,243.21x = 17,377,279,733.58
  5. Step 5: Solve for x
    x = 17,377,279,733.58/151,243.21
  6. Step 6: Final answer
    x = 114,896.26

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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.