Home / 189,437.85-261,422.94-104,554.91

Finding the Fourth Proportional to 189,437.85, 261,422.94 and 104,554.91

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Solution

The fourth proportional to 189,437.85, 261,422.94 and 104,554.91 is: 144,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,437.85 : 261,422.94 = 104,554.91 : x
  2. Step 2: Convert to fraction form
    189,437.85/261,422.94 = 104,554.91/x
  3. Step 3: Cross multiply
    189,437.85x = 261,422.94 × 104,554.91
  4. Step 4: Simplify right side
    189,437.85x = 27,333,051,963.64
  5. Step 5: Solve for x
    x = 27,333,051,963.64/189,437.85
  6. Step 6: Final answer
    x = 144,285.06

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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.