Home / 187,150.76-258,294.39-119,146.01

Finding the Fourth Proportional to 187,150.76, 258,294.39 and 119,146.01

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Solution

The fourth proportional to 187,150.76, 258,294.39 and 119,146.01 is: 164,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,150.76 : 258,294.39 = 119,146.01 : x
  2. Step 2: Convert to fraction form
    187,150.76/258,294.39 = 119,146.01/x
  3. Step 3: Cross multiply
    187,150.76x = 258,294.39 × 119,146.01
  4. Step 4: Simplify right side
    187,150.76x = 30,774,745,973.88
  5. Step 5: Solve for x
    x = 30,774,745,973.88/187,150.76
  6. Step 6: Final answer
    x = 164,438.26

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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.