Home / 187,095.81-258,191.78-102,213.48

Finding the Fourth Proportional to 187,095.81, 258,191.78 and 102,213.48

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Solution

The fourth proportional to 187,095.81, 258,191.78 and 102,213.48 is: 141,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,095.81 : 258,191.78 = 102,213.48 : x
  2. Step 2: Convert to fraction form
    187,095.81/258,191.78 = 102,213.48/x
  3. Step 3: Cross multiply
    187,095.81x = 258,191.78 × 102,213.48
  4. Step 4: Simplify right side
    187,095.81x = 26,390,679,346.02
  5. Step 5: Solve for x
    x = 26,390,679,346.02/187,095.81
  6. Step 6: Final answer
    x = 141,054.36

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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.