Home / 338,631.59-507,975.02-170,065.22

Finding the Fourth Proportional to 338,631.59, 507,975.02 and 170,065.22

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Solution

The fourth proportional to 338,631.59, 507,975.02 and 170,065.22 is: 255,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,631.59 : 507,975.02 = 170,065.22 : x
  2. Step 2: Convert to fraction form
    338,631.59/507,975.02 = 170,065.22/x
  3. Step 3: Cross multiply
    338,631.59x = 507,975.02 × 170,065.22
  4. Step 4: Simplify right side
    338,631.59x = 86,388,884,114.02
  5. Step 5: Solve for x
    x = 86,388,884,114.02/338,631.59
  6. Step 6: Final answer
    x = 255,111.71

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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.