Home / 98,137.80-147,425.40-94,152.60

Finding the Fourth Proportional to 98,137.80, 147,425.40 and 94,152.60

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Solution

The fourth proportional to 98,137.80, 147,425.40 and 94,152.60 is: 141,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,137.80 : 147,425.40 = 94,152.60 : x
  2. Step 2: Convert to fraction form
    98,137.80/147,425.40 = 94,152.60/x
  3. Step 3: Cross multiply
    98,137.80x = 147,425.40 × 94,152.60
  4. Step 4: Simplify right side
    98,137.80x = 13,880,484,716.04
  5. Step 5: Solve for x
    x = 13,880,484,716.04/98,137.80
  6. Step 6: Final answer
    x = 141,438.72

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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.