Home / 385,151.67-531,499.37-213,065.19

Finding the Fourth Proportional to 385,151.67, 531,499.37 and 213,065.19

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Solution

The fourth proportional to 385,151.67, 531,499.37 and 213,065.19 is: 294,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,151.67 : 531,499.37 = 213,065.19 : x
  2. Step 2: Convert to fraction form
    385,151.67/531,499.37 = 213,065.19/x
  3. Step 3: Cross multiply
    385,151.67x = 531,499.37 × 213,065.19
  4. Step 4: Simplify right side
    385,151.67x = 113,244,013,188.60
  5. Step 5: Solve for x
    x = 113,244,013,188.60/385,151.67
  6. Step 6: Final answer
    x = 294,024.46

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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.