Home / 193,591.20-290,386.80-53,349.60

Finding the Fourth Proportional to 193,591.20, 290,386.80 and 53,349.60

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Solution

The fourth proportional to 193,591.20, 290,386.80 and 53,349.60 is: 80,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,591.20 : 290,386.80 = 53,349.60 : x
  2. Step 2: Convert to fraction form
    193,591.20/290,386.80 = 53,349.60/x
  3. Step 3: Cross multiply
    193,591.20x = 290,386.80 × 53,349.60
  4. Step 4: Simplify right side
    193,591.20x = 15,492,019,625.28
  5. Step 5: Solve for x
    x = 15,492,019,625.28/193,591.20
  6. Step 6: Final answer
    x = 80,024.40

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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.