Home / 135,454.80-203,131.92-56,574.32

Finding the Fourth Proportional to 135,454.80, 203,131.92 and 56,574.32

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Solution

The fourth proportional to 135,454.80, 203,131.92 and 56,574.32 is: 84,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,454.80 : 203,131.92 = 56,574.32 : x
  2. Step 2: Convert to fraction form
    135,454.80/203,131.92 = 56,574.32/x
  3. Step 3: Cross multiply
    135,454.80x = 203,131.92 × 56,574.32
  4. Step 4: Simplify right side
    135,454.80x = 11,492,050,244.29
  5. Step 5: Solve for x
    x = 11,492,050,244.29/135,454.80
  6. Step 6: Final answer
    x = 84,840.48

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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.