Home / 134,895.20-202,342.80-46,135.40

Finding the Fourth Proportional to 134,895.20, 202,342.80 and 46,135.40

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Solution

The fourth proportional to 134,895.20, 202,342.80 and 46,135.40 is: 69,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,895.20 : 202,342.80 = 46,135.40 : x
  2. Step 2: Convert to fraction form
    134,895.20/202,342.80 = 46,135.40/x
  3. Step 3: Cross multiply
    134,895.20x = 202,342.80 × 46,135.40
  4. Step 4: Simplify right side
    134,895.20x = 9,335,166,015.12
  5. Step 5: Solve for x
    x = 9,335,166,015.12/134,895.20
  6. Step 6: Final answer
    x = 69,203.10

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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.