Home / 209,962.95-314,944.02-52,191.56

Finding the Fourth Proportional to 209,962.95, 314,944.02 and 52,191.56

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Solution

The fourth proportional to 209,962.95, 314,944.02 and 52,191.56 is: 78,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,962.95 : 314,944.02 = 52,191.56 : x
  2. Step 2: Convert to fraction form
    209,962.95/314,944.02 = 52,191.56/x
  3. Step 3: Cross multiply
    209,962.95x = 314,944.02 × 52,191.56
  4. Step 4: Simplify right side
    209,962.95x = 16,437,418,141.75
  5. Step 5: Solve for x
    x = 16,437,418,141.75/209,962.95
  6. Step 6: Final answer
    x = 78,287.23

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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.