Home / 187,510.68-258,754.77-102,611.34

Finding the Fourth Proportional to 187,510.68, 258,754.77 and 102,611.34

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Solution

The fourth proportional to 187,510.68, 258,754.77 and 102,611.34 is: 141,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,510.68 : 258,754.77 = 102,611.34 : x
  2. Step 2: Convert to fraction form
    187,510.68/258,754.77 = 102,611.34/x
  3. Step 3: Cross multiply
    187,510.68x = 258,754.77 × 102,611.34
  4. Step 4: Simplify right side
    187,510.68x = 26,551,173,681.09
  5. Step 5: Solve for x
    x = 26,551,173,681.09/187,510.68
  6. Step 6: Final answer
    x = 141,598.19

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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.