Home / 114,145.95-171,242.28-39,256.35

Finding the Fourth Proportional to 114,145.95, 171,242.28 and 39,256.35

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Solution

The fourth proportional to 114,145.95, 171,242.28 and 39,256.35 is: 58,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,145.95 : 171,242.28 = 39,256.35 : x
  2. Step 2: Convert to fraction form
    114,145.95/171,242.28 = 39,256.35/x
  3. Step 3: Cross multiply
    114,145.95x = 171,242.28 × 39,256.35
  4. Step 4: Simplify right side
    114,145.95x = 6,722,346,878.48
  5. Step 5: Solve for x
    x = 6,722,346,878.48/114,145.95
  6. Step 6: Final answer
    x = 58,892.56

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1.5x scale

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.