Home / 98,868.58-148,240.02-83,880.88

Finding the Fourth Proportional to 98,868.58, 148,240.02 and 83,880.88

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Solution

The fourth proportional to 98,868.58, 148,240.02 and 83,880.88 is: 125,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.58 : 148,240.02 = 83,880.88 : x
  2. Step 2: Convert to fraction form
    98,868.58/148,240.02 = 83,880.88/x
  3. Step 3: Cross multiply
    98,868.58x = 148,240.02 × 83,880.88
  4. Step 4: Simplify right side
    98,868.58x = 12,434,503,328.82
  5. Step 5: Solve for x
    x = 12,434,503,328.82/98,868.58
  6. Step 6: Final answer
    x = 125,768.00

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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.