Home / 147,715.14-203,844.29-84,051.57

Finding the Fourth Proportional to 147,715.14, 203,844.29 and 84,051.57

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Solution

The fourth proportional to 147,715.14, 203,844.29 and 84,051.57 is: 115,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,715.14 : 203,844.29 = 84,051.57 : x
  2. Step 2: Convert to fraction form
    147,715.14/203,844.29 = 84,051.57/x
  3. Step 3: Cross multiply
    147,715.14x = 203,844.29 × 84,051.57
  4. Step 4: Simplify right side
    147,715.14x = 17,133,432,189.78
  5. Step 5: Solve for x
    x = 17,133,432,189.78/147,715.14
  6. Step 6: Final answer
    x = 115,989.68

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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.