Home / 147,854.97-204,039.66-84,192.77

Finding the Fourth Proportional to 147,854.97, 204,039.66 and 84,192.77

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Solution

The fourth proportional to 147,854.97, 204,039.66 and 84,192.77 is: 116,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.97 : 204,039.66 = 84,192.77 : x
  2. Step 2: Convert to fraction form
    147,854.97/204,039.66 = 84,192.77/x
  3. Step 3: Cross multiply
    147,854.97x = 204,039.66 × 84,192.77
  4. Step 4: Simplify right side
    147,854.97x = 17,178,663,369.77
  5. Step 5: Solve for x
    x = 17,178,663,369.77/147,854.97
  6. Step 6: Final answer
    x = 116,185.90

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1.5x scale

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.