Home / 111,246.30-166,869.45-98,124.30

Finding the Fourth Proportional to 111,246.30, 166,869.45 and 98,124.30

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Solution

The fourth proportional to 111,246.30, 166,869.45 and 98,124.30 is: 147,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,246.30 : 166,869.45 = 98,124.30 : x
  2. Step 2: Convert to fraction form
    111,246.30/166,869.45 = 98,124.30/x
  3. Step 3: Cross multiply
    111,246.30x = 166,869.45 × 98,124.30
  4. Step 4: Simplify right side
    111,246.30x = 16,373,947,972.64
  5. Step 5: Solve for x
    x = 16,373,947,972.64/111,246.30
  6. Step 6: Final answer
    x = 147,186.45

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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.