Home / 136,247.04-188,030.72-75,822.40

Finding the Fourth Proportional to 136,247.04, 188,030.72 and 75,822.40

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Solution

The fourth proportional to 136,247.04, 188,030.72 and 75,822.40 is: 104,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,247.04 : 188,030.72 = 75,822.40 : x
  2. Step 2: Convert to fraction form
    136,247.04/188,030.72 = 75,822.40/x
  3. Step 3: Cross multiply
    136,247.04x = 188,030.72 × 75,822.40
  4. Step 4: Simplify right side
    136,247.04x = 14,256,940,464.13
  5. Step 5: Solve for x
    x = 14,256,940,464.13/136,247.04
  6. Step 6: Final answer
    x = 104,640.37

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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.