Home / 187,027.63-258,116.70-111,576.13

Finding the Fourth Proportional to 187,027.63, 258,116.70 and 111,576.13

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Solution

The fourth proportional to 187,027.63, 258,116.70 and 111,576.13 is: 153,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.63 : 258,116.70 = 111,576.13 : x
  2. Step 2: Convert to fraction form
    187,027.63/258,116.70 = 111,576.13/x
  3. Step 3: Cross multiply
    187,027.63x = 258,116.70 × 111,576.13
  4. Step 4: Simplify right side
    187,027.63x = 28,799,662,247.49
  5. Step 5: Solve for x
    x = 28,799,662,247.49/187,027.63
  6. Step 6: Final answer
    x = 153,986.14

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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.