Home / 187,554.70-258,827.21-111,078.14

Finding the Fourth Proportional to 187,554.70, 258,827.21 and 111,078.14

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Solution

The fourth proportional to 187,554.70, 258,827.21 and 111,078.14 is: 153,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,554.70 : 258,827.21 = 111,078.14 : x
  2. Step 2: Convert to fraction form
    187,554.70/258,827.21 = 111,078.14/x
  3. Step 3: Cross multiply
    187,554.70x = 258,827.21 × 111,078.14
  4. Step 4: Simplify right side
    187,554.70x = 28,750,045,068.19
  5. Step 5: Solve for x
    x = 28,750,045,068.19/187,554.70
  6. Step 6: Final answer
    x = 153,288.85

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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.