Home / 187,041.56-258,118.73-102,158.63

Finding the Fourth Proportional to 187,041.56, 258,118.73 and 102,158.63

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Solution

The fourth proportional to 187,041.56, 258,118.73 and 102,158.63 is: 140,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,041.56 : 258,118.73 = 102,158.63 : x
  2. Step 2: Convert to fraction form
    187,041.56/258,118.73 = 102,158.63/x
  3. Step 3: Cross multiply
    187,041.56x = 258,118.73 × 102,158.63
  4. Step 4: Simplify right side
    187,041.56x = 26,369,054,032.75
  5. Step 5: Solve for x
    x = 26,369,054,032.75/187,041.56
  6. Step 6: Final answer
    x = 140,979.65

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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.