Home / 206,111.01-284,430.55-115,465.33

Finding the Fourth Proportional to 206,111.01, 284,430.55 and 115,465.33

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Solution

The fourth proportional to 206,111.01, 284,430.55 and 115,465.33 is: 159,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,111.01 : 284,430.55 = 115,465.33 : x
  2. Step 2: Convert to fraction form
    206,111.01/284,430.55 = 115,465.33/x
  3. Step 3: Cross multiply
    206,111.01x = 284,430.55 × 115,465.33
  4. Step 4: Simplify right side
    206,111.01x = 32,841,867,317.83
  5. Step 5: Solve for x
    x = 32,841,867,317.83/206,111.01
  6. Step 6: Final answer
    x = 159,340.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.