Home / 193,687.11-290,547.41-53,445.74

Finding the Fourth Proportional to 193,687.11, 290,547.41 and 53,445.74

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Solution

The fourth proportional to 193,687.11, 290,547.41 and 53,445.74 is: 80,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,687.11 : 290,547.41 = 53,445.74 : x
  2. Step 2: Convert to fraction form
    193,687.11/290,547.41 = 53,445.74/x
  3. Step 3: Cross multiply
    193,687.11x = 290,547.41 × 53,445.74
  4. Step 4: Simplify right side
    193,687.11x = 15,528,519,612.57
  5. Step 5: Solve for x
    x = 15,528,519,612.57/193,687.11
  6. Step 6: Final answer
    x = 80,173.22

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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.