Home / 117,009.20-175,513.80-38,131.40

Finding the Fourth Proportional to 117,009.20, 175,513.80 and 38,131.40

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Solution

The fourth proportional to 117,009.20, 175,513.80 and 38,131.40 is: 57,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.20 : 175,513.80 = 38,131.40 : x
  2. Step 2: Convert to fraction form
    117,009.20/175,513.80 = 38,131.40/x
  3. Step 3: Cross multiply
    117,009.20x = 175,513.80 × 38,131.40
  4. Step 4: Simplify right side
    117,009.20x = 6,692,586,913.32
  5. Step 5: Solve for x
    x = 6,692,586,913.32/117,009.20
  6. Step 6: Final answer
    x = 57,197.10

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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.