Home / 215,791.08-297,807.93-125,146.32

Finding the Fourth Proportional to 215,791.08, 297,807.93 and 125,146.32

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Solution

The fourth proportional to 215,791.08, 297,807.93 and 125,146.32 is: 172,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,791.08 : 297,807.93 = 125,146.32 : x
  2. Step 2: Convert to fraction form
    215,791.08/297,807.93 = 125,146.32/x
  3. Step 3: Cross multiply
    215,791.08x = 297,807.93 × 125,146.32
  4. Step 4: Simplify right side
    215,791.08x = 37,269,566,506.32
  5. Step 5: Solve for x
    x = 37,269,566,506.32/215,791.08
  6. Step 6: Final answer
    x = 172,711.34

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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.