Home / 189,685.98-261,777.15-104,801.22

Finding the Fourth Proportional to 189,685.98, 261,777.15 and 104,801.22

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Solution

The fourth proportional to 189,685.98, 261,777.15 and 104,801.22 is: 144,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,685.98 : 261,777.15 = 104,801.22 : x
  2. Step 2: Convert to fraction form
    189,685.98/261,777.15 = 104,801.22/x
  3. Step 3: Cross multiply
    189,685.98x = 261,777.15 × 104,801.22
  4. Step 4: Simplify right side
    189,685.98x = 27,434,564,688.12
  5. Step 5: Solve for x
    x = 27,434,564,688.12/189,685.98
  6. Step 6: Final answer
    x = 144,631.48

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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.