Home / 151,088.64-208,504.32-84,023.04

Finding the Fourth Proportional to 151,088.64, 208,504.32 and 84,023.04

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Solution

The fourth proportional to 151,088.64, 208,504.32 and 84,023.04 is: 115,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,088.64 : 208,504.32 = 84,023.04 : x
  2. Step 2: Convert to fraction form
    151,088.64/208,504.32 = 84,023.04/x
  3. Step 3: Cross multiply
    151,088.64x = 208,504.32 × 84,023.04
  4. Step 4: Simplify right side
    151,088.64x = 17,519,166,819.53
  5. Step 5: Solve for x
    x = 17,519,166,819.53/151,088.64
  6. Step 6: Final answer
    x = 115,952.91

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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.