Home / 151,219.37-208,681.07-83,234.88

Finding the Fourth Proportional to 151,219.37, 208,681.07 and 83,234.88

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Solution

The fourth proportional to 151,219.37, 208,681.07 and 83,234.88 is: 114,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,219.37 : 208,681.07 = 83,234.88 : x
  2. Step 2: Convert to fraction form
    151,219.37/208,681.07 = 83,234.88/x
  3. Step 3: Cross multiply
    151,219.37x = 208,681.07 × 83,234.88
  4. Step 4: Simplify right side
    151,219.37x = 17,369,543,403.55
  5. Step 5: Solve for x
    x = 17,369,543,403.55/151,219.37
  6. Step 6: Final answer
    x = 114,863.22

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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.