Home / 189,154.02-261,033.12-104,269.26

Finding the Fourth Proportional to 189,154.02, 261,033.12 and 104,269.26

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Solution

The fourth proportional to 189,154.02, 261,033.12 and 104,269.26 is: 143,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154.02 : 261,033.12 = 104,269.26 : x
  2. Step 2: Convert to fraction form
    189,154.02/261,033.12 = 104,269.26/x
  3. Step 3: Cross multiply
    189,154.02x = 261,033.12 × 104,269.26
  4. Step 4: Simplify right side
    189,154.02x = 27,217,730,257.89
  5. Step 5: Solve for x
    x = 27,217,730,257.89/189,154.02
  6. Step 6: Final answer
    x = 143,891.89

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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.