Home / 109,485.32-151,089.97-59,184.32

Finding the Fourth Proportional to 109,485.32, 151,089.97 and 59,184.32

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Solution

The fourth proportional to 109,485.32, 151,089.97 and 59,184.32 is: 81,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.32 : 151,089.97 = 59,184.32 : x
  2. Step 2: Convert to fraction form
    109,485.32/151,089.97 = 59,184.32/x
  3. Step 3: Cross multiply
    109,485.32x = 151,089.97 × 59,184.32
  4. Step 4: Simplify right side
    109,485.32x = 8,942,157,363.03
  5. Step 5: Solve for x
    x = 8,942,157,363.03/109,485.32
  6. Step 6: Final answer
    x = 81,674.49

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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.