Home / 187,614.81-258,908.87-101,574.70

Finding the Fourth Proportional to 187,614.81, 258,908.87 and 101,574.70

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Solution

The fourth proportional to 187,614.81, 258,908.87 and 101,574.70 is: 140,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,614.81 : 258,908.87 = 101,574.70 : x
  2. Step 2: Convert to fraction form
    187,614.81/258,908.87 = 101,574.70/x
  3. Step 3: Cross multiply
    187,614.81x = 258,908.87 × 101,574.70
  4. Step 4: Simplify right side
    187,614.81x = 26,298,590,797.59
  5. Step 5: Solve for x
    x = 26,298,590,797.59/187,614.81
  6. Step 6: Final answer
    x = 140,173.32

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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.