Home / 98,936.04-147,521.53-87,945.96

Finding the Fourth Proportional to 98,936.04, 147,521.53 and 87,945.96

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Solution

The fourth proportional to 98,936.04, 147,521.53 and 87,945.96 is: 131,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936.04 : 147,521.53 = 87,945.96 : x
  2. Step 2: Convert to fraction form
    98,936.04/147,521.53 = 87,945.96/x
  3. Step 3: Cross multiply
    98,936.04x = 147,521.53 × 87,945.96
  4. Step 4: Simplify right side
    98,936.04x = 12,973,922,576.52
  5. Step 5: Solve for x
    x = 12,973,922,576.52/98,936.04
  6. Step 6: Final answer
    x = 131,134.44

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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.