Home / 147,579.01-203,658.07-83,916.81

Finding the Fourth Proportional to 147,579.01, 203,658.07 and 83,916.81

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Solution

The fourth proportional to 147,579.01, 203,658.07 and 83,916.81 is: 115,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,579.01 : 203,658.07 = 83,916.81 : x
  2. Step 2: Convert to fraction form
    147,579.01/203,658.07 = 83,916.81/x
  3. Step 3: Cross multiply
    147,579.01x = 203,658.07 × 83,916.81
  4. Step 4: Simplify right side
    147,579.01x = 17,090,335,565.16
  5. Step 5: Solve for x
    x = 17,090,335,565.16/147,579.01
  6. Step 6: Final answer
    x = 115,804.65

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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.