Home / 177,770.06-266,655.10-53,111.06

Finding the Fourth Proportional to 177,770.06, 266,655.10 and 53,111.06

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Solution

The fourth proportional to 177,770.06, 266,655.10 and 53,111.06 is: 79,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,770.06 : 266,655.10 = 53,111.06 : x
  2. Step 2: Convert to fraction form
    177,770.06/266,655.10 = 53,111.06/x
  3. Step 3: Cross multiply
    177,770.06x = 266,655.10 × 53,111.06
  4. Step 4: Simplify right side
    177,770.06x = 14,162,335,015.41
  5. Step 5: Solve for x
    x = 14,162,335,015.41/177,770.06
  6. Step 6: Final answer
    x = 79,666.59

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1.5x scale

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.