Home / 147,817.54-203,988.41-84,155.34

Finding the Fourth Proportional to 147,817.54, 203,988.41 and 84,155.34

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Solution

The fourth proportional to 147,817.54, 203,988.41 and 84,155.34 is: 116,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.54 : 203,988.41 = 84,155.34 : x
  2. Step 2: Convert to fraction form
    147,817.54/203,988.41 = 84,155.34/x
  3. Step 3: Cross multiply
    147,817.54x = 203,988.41 × 84,155.34
  4. Step 4: Simplify right side
    147,817.54x = 17,166,713,999.61
  5. Step 5: Solve for x
    x = 17,166,713,999.61/147,817.54
  6. Step 6: Final answer
    x = 116,134.49

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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.