Home / 150,167.95-207,241.39-86,504.65

Finding the Fourth Proportional to 150,167.95, 207,241.39 and 86,504.65

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Solution

The fourth proportional to 150,167.95, 207,241.39 and 86,504.65 is: 119,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.95 : 207,241.39 = 86,504.65 : x
  2. Step 2: Convert to fraction form
    150,167.95/207,241.39 = 86,504.65/x
  3. Step 3: Cross multiply
    150,167.95x = 207,241.39 × 86,504.65
  4. Step 4: Simplify right side
    150,167.95x = 17,927,343,907.46
  5. Step 5: Solve for x
    x = 17,927,343,907.46/150,167.95
  6. Step 6: Final answer
    x = 119,381.96

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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.