Home / 117,135.36-175,705.20-42,261.12

Finding the Fourth Proportional to 117,135.36, 175,705.20 and 42,261.12

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Solution

The fourth proportional to 117,135.36, 175,705.20 and 42,261.12 is: 63,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,135.36 : 175,705.20 = 42,261.12 : x
  2. Step 2: Convert to fraction form
    117,135.36/175,705.20 = 42,261.12/x
  3. Step 3: Cross multiply
    117,135.36x = 175,705.20 × 42,261.12
  4. Step 4: Simplify right side
    117,135.36x = 7,425,498,541.82
  5. Step 5: Solve for x
    x = 7,425,498,541.82/117,135.36
  6. Step 6: Final answer
    x = 63,392.46

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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.