Home / 147,894.36-204,130.50-84,269.76

Finding the Fourth Proportional to 147,894.36, 204,130.50 and 84,269.76

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Solution

The fourth proportional to 147,894.36, 204,130.50 and 84,269.76 is: 116,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,894.36 : 204,130.50 = 84,269.76 : x
  2. Step 2: Convert to fraction form
    147,894.36/204,130.50 = 84,269.76/x
  3. Step 3: Cross multiply
    147,894.36x = 204,130.50 × 84,269.76
  4. Step 4: Simplify right side
    147,894.36x = 17,202,028,243.68
  5. Step 5: Solve for x
    x = 17,202,028,243.68/147,894.36
  6. Step 6: Final answer
    x = 116,312.94

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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.