Home / 132,455.34-182,790.54-72,027.18

Finding the Fourth Proportional to 132,455.34, 182,790.54 and 72,027.18

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Solution

The fourth proportional to 132,455.34, 182,790.54 and 72,027.18 is: 99,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,455.34 : 182,790.54 = 72,027.18 : x
  2. Step 2: Convert to fraction form
    132,455.34/182,790.54 = 72,027.18/x
  3. Step 3: Cross multiply
    132,455.34x = 182,790.54 × 72,027.18
  4. Step 4: Simplify right side
    132,455.34x = 13,165,887,126.88
  5. Step 5: Solve for x
    x = 13,165,887,126.88/132,455.34
  6. Step 6: Final answer
    x = 99,398.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.