Home / 147,772.30-203,926-84,110.10

Finding the Fourth Proportional to 147,772.30, 203,926 and 84,110.10

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Solution

The fourth proportional to 147,772.30, 203,926 and 84,110.10 is: 116,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,772.30 : 203,926 = 84,110.10 : x
  2. Step 2: Convert to fraction form
    147,772.30/203,926 = 84,110.10/x
  3. Step 3: Cross multiply
    147,772.30x = 203,926 × 84,110.10
  4. Step 4: Simplify right side
    147,772.30x = 17,152,235,232.97
  5. Step 5: Solve for x
    x = 17,152,235,232.97/147,772.30
  6. Step 6: Final answer
    x = 116,072.06

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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.