Home / 147,857.36-204,019.56-84,196.40

Finding the Fourth Proportional to 147,857.36, 204,019.56 and 84,196.40

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Solution

The fourth proportional to 147,857.36, 204,019.56 and 84,196.40 is: 116,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,857.36 : 204,019.56 = 84,196.40 : x
  2. Step 2: Convert to fraction form
    147,857.36/204,019.56 = 84,196.40/x
  3. Step 3: Cross multiply
    147,857.36x = 204,019.56 × 84,196.40
  4. Step 4: Simplify right side
    147,857.36x = 17,177,712,481.58
  5. Step 5: Solve for x
    x = 17,177,712,481.58/147,857.36
  6. Step 6: Final answer
    x = 116,177.59

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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.