Home / 220,056.32-330,102.84-70,317.92

Finding the Fourth Proportional to 220,056.32, 330,102.84 and 70,317.92

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Solution

The fourth proportional to 220,056.32, 330,102.84 and 70,317.92 is: 105,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,056.32 : 330,102.84 = 70,317.92 : x
  2. Step 2: Convert to fraction form
    220,056.32/330,102.84 = 70,317.92/x
  3. Step 3: Cross multiply
    220,056.32x = 330,102.84 × 70,317.92
  4. Step 4: Simplify right side
    220,056.32x = 23,212,145,094.89
  5. Step 5: Solve for x
    x = 23,212,145,094.89/220,056.32
  6. Step 6: Final answer
    x = 105,482.75

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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.