Home / 187,039.28-257,570.55-162,498.74

Finding the Fourth Proportional to 187,039.28, 257,570.55 and 162,498.74

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Solution

The fourth proportional to 187,039.28, 257,570.55 and 162,498.74 is: 223,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,039.28 : 257,570.55 = 162,498.74 : x
  2. Step 2: Convert to fraction form
    187,039.28/257,570.55 = 162,498.74/x
  3. Step 3: Cross multiply
    187,039.28x = 257,570.55 × 162,498.74
  4. Step 4: Simplify right side
    187,039.28x = 41,854,889,971.17
  5. Step 5: Solve for x
    x = 41,854,889,971.17/187,039.28
  6. Step 6: Final answer
    x = 223,775.94

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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.