Home / 147,510-203,581.22-83,857.32

Finding the Fourth Proportional to 147,510, 203,581.22 and 83,857.32

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Solution

The fourth proportional to 147,510, 203,581.22 and 83,857.32 is: 115,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510 : 203,581.22 = 83,857.32 : x
  2. Step 2: Convert to fraction form
    147,510/203,581.22 = 83,857.32/x
  3. Step 3: Cross multiply
    147,510x = 203,581.22 × 83,857.32
  4. Step 4: Simplify right side
    147,510x = 17,071,775,092.24
  5. Step 5: Solve for x
    x = 17,071,775,092.24/147,510
  6. Step 6: Final answer
    x = 115,733.00

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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.