Home / 187,475.58-258,676.29-111,018.69

Finding the Fourth Proportional to 187,475.58, 258,676.29 and 111,018.69

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Solution

The fourth proportional to 187,475.58, 258,676.29 and 111,018.69 is: 153,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,475.58 : 258,676.29 = 111,018.69 : x
  2. Step 2: Convert to fraction form
    187,475.58/258,676.29 = 111,018.69/x
  3. Step 3: Cross multiply
    187,475.58x = 258,676.29 × 111,018.69
  4. Step 4: Simplify right side
    187,475.58x = 28,717,902,849.86
  5. Step 5: Solve for x
    x = 28,717,902,849.86/187,475.58
  6. Step 6: Final answer
    x = 153,182.10

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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.