Home / 145,186.02-217,780.14-40,010.76

Finding the Fourth Proportional to 145,186.02, 217,780.14 and 40,010.76

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Solution

The fourth proportional to 145,186.02, 217,780.14 and 40,010.76 is: 60,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,186.02 : 217,780.14 = 40,010.76 : x
  2. Step 2: Convert to fraction form
    145,186.02/217,780.14 = 40,010.76/x
  3. Step 3: Cross multiply
    145,186.02x = 217,780.14 × 40,010.76
  4. Step 4: Simplify right side
    145,186.02x = 8,713,548,914.31
  5. Step 5: Solve for x
    x = 8,713,548,914.31/145,186.02
  6. Step 6: Final answer
    x = 60,016.45

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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.