Home / 98,935.04-147,520.04-87,944.96

Finding the Fourth Proportional to 98,935.04, 147,520.04 and 87,944.96

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Solution

The fourth proportional to 98,935.04, 147,520.04 and 87,944.96 is: 131,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935.04 : 147,520.04 = 87,944.96 : x
  2. Step 2: Convert to fraction form
    98,935.04/147,520.04 = 87,944.96/x
  3. Step 3: Cross multiply
    98,935.04x = 147,520.04 × 87,944.96
  4. Step 4: Simplify right side
    98,935.04x = 12,973,644,017.00
  5. Step 5: Solve for x
    x = 12,973,644,017.00/98,935.04
  6. Step 6: Final answer
    x = 131,132.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.