Home / 114,156.57-157,467.18-75,394.62

Finding the Fourth Proportional to 114,156.57, 157,467.18 and 75,394.62

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Solution

The fourth proportional to 114,156.57, 157,467.18 and 75,394.62 is: 103,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,156.57 : 157,467.18 = 75,394.62 : x
  2. Step 2: Convert to fraction form
    114,156.57/157,467.18 = 75,394.62/x
  3. Step 3: Cross multiply
    114,156.57x = 157,467.18 × 75,394.62
  4. Step 4: Simplify right side
    114,156.57x = 11,872,178,198.57
  5. Step 5: Solve for x
    x = 11,872,178,198.57/114,156.57
  6. Step 6: Final answer
    x = 103,999.08

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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.