Home / 187,373.60-258,502.94-119,378.40

Finding the Fourth Proportional to 187,373.60, 258,502.94 and 119,378.40

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Solution

The fourth proportional to 187,373.60, 258,502.94 and 119,378.40 is: 164,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,373.60 : 258,502.94 = 119,378.40 : x
  2. Step 2: Convert to fraction form
    187,373.60/258,502.94 = 119,378.40/x
  3. Step 3: Cross multiply
    187,373.60x = 258,502.94 × 119,378.40
  4. Step 4: Simplify right side
    187,373.60x = 30,859,665,483.09
  5. Step 5: Solve for x
    x = 30,859,665,483.09/187,373.60
  6. Step 6: Final answer
    x = 164,695.91

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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.