Home / 209,561.02-314,407.11-134,765.62

Finding the Fourth Proportional to 209,561.02, 314,407.11 and 134,765.62

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Solution

The fourth proportional to 209,561.02, 314,407.11 and 134,765.62 is: 202,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,561.02 : 314,407.11 = 134,765.62 : x
  2. Step 2: Convert to fraction form
    209,561.02/314,407.11 = 134,765.62/x
  3. Step 3: Cross multiply
    209,561.02x = 314,407.11 × 134,765.62
  4. Step 4: Simplify right side
    209,561.02x = 42,371,269,111.56
  5. Step 5: Solve for x
    x = 42,371,269,111.56/209,561.02
  6. Step 6: Final answer
    x = 202,190.60

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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.