Home / 189,605.98-261,588.26-112,065.36

Finding the Fourth Proportional to 189,605.98, 261,588.26 and 112,065.36

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Solution

The fourth proportional to 189,605.98, 261,588.26 and 112,065.36 is: 154,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,605.98 : 261,588.26 = 112,065.36 : x
  2. Step 2: Convert to fraction form
    189,605.98/261,588.26 = 112,065.36/x
  3. Step 3: Cross multiply
    189,605.98x = 261,588.26 × 112,065.36
  4. Step 4: Simplify right side
    189,605.98x = 29,314,982,248.51
  5. Step 5: Solve for x
    x = 29,314,982,248.51/189,605.98
  6. Step 6: Final answer
    x = 154,610.01

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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.