Home / 124,435.17-186,652.49-99,357.71

Finding the Fourth Proportional to 124,435.17, 186,652.49 and 99,357.71

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Solution

The fourth proportional to 124,435.17, 186,652.49 and 99,357.71 is: 149,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435.17 : 186,652.49 = 99,357.71 : x
  2. Step 2: Convert to fraction form
    124,435.17/186,652.49 = 99,357.71/x
  3. Step 3: Cross multiply
    124,435.17x = 186,652.49 × 99,357.71
  4. Step 4: Simplify right side
    124,435.17x = 18,545,362,542.15
  5. Step 5: Solve for x
    x = 18,545,362,542.15/124,435.17
  6. Step 6: Final answer
    x = 149,036.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.