Home / 187,592.12-258,877.08-102,709.16

Finding the Fourth Proportional to 187,592.12, 258,877.08 and 102,709.16

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Solution

The fourth proportional to 187,592.12, 258,877.08 and 102,709.16 is: 141,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,592.12 : 258,877.08 = 102,709.16 : x
  2. Step 2: Convert to fraction form
    187,592.12/258,877.08 = 102,709.16/x
  3. Step 3: Cross multiply
    187,592.12x = 258,877.08 × 102,709.16
  4. Step 4: Simplify right side
    187,592.12x = 26,589,047,430.05
  5. Step 5: Solve for x
    x = 26,589,047,430.05/187,592.12
  6. Step 6: Final answer
    x = 141,738.62

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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.