Home / 136,710.36-204,934.32-43,152.12

Finding the Fourth Proportional to 136,710.36, 204,934.32 and 43,152.12

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Solution

The fourth proportional to 136,710.36, 204,934.32 and 43,152.12 is: 64,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,710.36 : 204,934.32 = 43,152.12 : x
  2. Step 2: Convert to fraction form
    136,710.36/204,934.32 = 43,152.12/x
  3. Step 3: Cross multiply
    136,710.36x = 204,934.32 × 43,152.12
  4. Step 4: Simplify right side
    136,710.36x = 8,843,350,368.76
  5. Step 5: Solve for x
    x = 8,843,350,368.76/136,710.36
  6. Step 6: Final answer
    x = 64,686.76

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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.