Home / 209,395.08-314,145.42-67,253.16

Finding the Fourth Proportional to 209,395.08, 314,145.42 and 67,253.16

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Solution

The fourth proportional to 209,395.08, 314,145.42 and 67,253.16 is: 100,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,395.08 : 314,145.42 = 67,253.16 : x
  2. Step 2: Convert to fraction form
    209,395.08/314,145.42 = 67,253.16/x
  3. Step 3: Cross multiply
    209,395.08x = 314,145.42 × 67,253.16
  4. Step 4: Simplify right side
    209,395.08x = 21,127,272,194.53
  5. Step 5: Solve for x
    x = 21,127,272,194.53/209,395.08
  6. Step 6: Final answer
    x = 100,896.70

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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.