Home / 151,235.24-208,705.36-83,259.04

Finding the Fourth Proportional to 151,235.24, 208,705.36 and 83,259.04

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Solution

The fourth proportional to 151,235.24, 208,705.36 and 83,259.04 is: 114,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,235.24 : 208,705.36 = 83,259.04 : x
  2. Step 2: Convert to fraction form
    151,235.24/208,705.36 = 83,259.04/x
  3. Step 3: Cross multiply
    151,235.24x = 208,705.36 × 83,259.04
  4. Step 4: Simplify right side
    151,235.24x = 17,376,607,916.45
  5. Step 5: Solve for x
    x = 17,376,607,916.45/151,235.24
  6. Step 6: Final answer
    x = 114,897.88

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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.