Home / 187,185.52-257,665.08-163,270.54

Finding the Fourth Proportional to 187,185.52, 257,665.08 and 163,270.54

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Solution

The fourth proportional to 187,185.52, 257,665.08 and 163,270.54 is: 224,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,185.52 : 257,665.08 = 163,270.54 : x
  2. Step 2: Convert to fraction form
    187,185.52/257,665.08 = 163,270.54/x
  3. Step 3: Cross multiply
    187,185.52x = 257,665.08 × 163,270.54
  4. Step 4: Simplify right side
    187,185.52x = 42,069,116,750.74
  5. Step 5: Solve for x
    x = 42,069,116,750.74/187,185.52
  6. Step 6: Final answer
    x = 224,745.57

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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.