Home / 147,259.49-203,206.10-82,725.21

Finding the Fourth Proportional to 147,259.49, 203,206.10 and 82,725.21

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Solution

The fourth proportional to 147,259.49, 203,206.10 and 82,725.21 is: 114,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,259.49 : 203,206.10 = 82,725.21 : x
  2. Step 2: Convert to fraction form
    147,259.49/203,206.10 = 82,725.21/x
  3. Step 3: Cross multiply
    147,259.49x = 203,206.10 × 82,725.21
  4. Step 4: Simplify right side
    147,259.49x = 16,810,267,502.59
  5. Step 5: Solve for x
    x = 16,810,267,502.59/147,259.49
  6. Step 6: Final answer
    x = 114,154.06

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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.