Home / 124,338.59-186,509.16-99,536.30

Finding the Fourth Proportional to 124,338.59, 186,509.16 and 99,536.30

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Solution

The fourth proportional to 124,338.59, 186,509.16 and 99,536.30 is: 149,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.59 : 186,509.16 = 99,536.30 : x
  2. Step 2: Convert to fraction form
    124,338.59/186,509.16 = 99,536.30/x
  3. Step 3: Cross multiply
    124,338.59x = 186,509.16 × 99,536.30
  4. Step 4: Simplify right side
    124,338.59x = 18,564,431,702.51
  5. Step 5: Solve for x
    x = 18,564,431,702.51/124,338.59
  6. Step 6: Final answer
    x = 149,305.47

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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.