Home / 147,118.19-203,017.10-83,454.62

Finding the Fourth Proportional to 147,118.19, 203,017.10 and 83,454.62

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Solution

The fourth proportional to 147,118.19, 203,017.10 and 83,454.62 is: 115,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,118.19 : 203,017.10 = 83,454.62 : x
  2. Step 2: Convert to fraction form
    147,118.19/203,017.10 = 83,454.62/x
  3. Step 3: Cross multiply
    147,118.19x = 203,017.10 × 83,454.62
  4. Step 4: Simplify right side
    147,118.19x = 16,942,713,501.64
  5. Step 5: Solve for x
    x = 16,942,713,501.64/147,118.19
  6. Step 6: Final answer
    x = 115,163.96

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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.