Home / 188,815.90-260,652.45-134,403.34

Finding the Fourth Proportional to 188,815.90, 260,652.45 and 134,403.34

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Solution

The fourth proportional to 188,815.90, 260,652.45 and 134,403.34 is: 185,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,815.90 : 260,652.45 = 134,403.34 : x
  2. Step 2: Convert to fraction form
    188,815.90/260,652.45 = 134,403.34/x
  3. Step 3: Cross multiply
    188,815.90x = 260,652.45 × 134,403.34
  4. Step 4: Simplify right side
    188,815.90x = 35,032,559,859.18
  5. Step 5: Solve for x
    x = 35,032,559,859.18/188,815.90
  6. Step 6: Final answer
    x = 185,538.19

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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.