Home / 98,228.24-147,210.60-56,121.20

Finding the Fourth Proportional to 98,228.24, 147,210.60 and 56,121.20

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Solution

The fourth proportional to 98,228.24, 147,210.60 and 56,121.20 is: 84,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,228.24 : 147,210.60 = 56,121.20 : x
  2. Step 2: Convert to fraction form
    98,228.24/147,210.60 = 56,121.20/x
  3. Step 3: Cross multiply
    98,228.24x = 147,210.60 × 56,121.20
  4. Step 4: Simplify right side
    98,228.24x = 8,261,635,524.72
  5. Step 5: Solve for x
    x = 8,261,635,524.72/98,228.24
  6. Step 6: Final answer
    x = 84,106.52

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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.