Home / 332,439.10-498,658.60-83,121.10

Finding the Fourth Proportional to 332,439.10, 498,658.60 and 83,121.10

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Solution

The fourth proportional to 332,439.10, 498,658.60 and 83,121.10 is: 124,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,439.10 : 498,658.60 = 83,121.10 : x
  2. Step 2: Convert to fraction form
    332,439.10/498,658.60 = 83,121.10/x
  3. Step 3: Cross multiply
    332,439.10x = 498,658.60 × 83,121.10
  4. Step 4: Simplify right side
    332,439.10x = 41,449,051,356.46
  5. Step 5: Solve for x
    x = 41,449,051,356.46/332,439.10
  6. Step 6: Final answer
    x = 124,681.64

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1.5x scale

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.