Home / 132,555.08-198,459.48-99,429.32

Finding the Fourth Proportional to 132,555.08, 198,459.48 and 99,429.32

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Solution

The fourth proportional to 132,555.08, 198,459.48 and 99,429.32 is: 148,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,555.08 : 198,459.48 = 99,429.32 : x
  2. Step 2: Convert to fraction form
    132,555.08/198,459.48 = 99,429.32/x
  3. Step 3: Cross multiply
    132,555.08x = 198,459.48 × 99,429.32
  4. Step 4: Simplify right side
    132,555.08x = 19,732,691,143.95
  5. Step 5: Solve for x
    x = 19,732,691,143.95/132,555.08
  6. Step 6: Final answer
    x = 148,864.09

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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.