Home / 211,561.66-316,856.49-177,852.70

Finding the Fourth Proportional to 211,561.66, 316,856.49 and 177,852.70

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Solution

The fourth proportional to 211,561.66, 316,856.49 and 177,852.70 is: 266,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,561.66 : 316,856.49 = 177,852.70 : x
  2. Step 2: Convert to fraction form
    211,561.66/316,856.49 = 177,852.70/x
  3. Step 3: Cross multiply
    211,561.66x = 316,856.49 × 177,852.70
  4. Step 4: Simplify right side
    211,561.66x = 56,353,782,259.02
  5. Step 5: Solve for x
    x = 56,353,782,259.02/211,561.66
  6. Step 6: Final answer
    x = 266,370.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.