Home / 132,266.99-182,500.04-78,570.11

Finding the Fourth Proportional to 132,266.99, 182,500.04 and 78,570.11

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Solution

The fourth proportional to 132,266.99, 182,500.04 and 78,570.11 is: 108,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,266.99 : 182,500.04 = 78,570.11 : x
  2. Step 2: Convert to fraction form
    132,266.99/182,500.04 = 78,570.11/x
  3. Step 3: Cross multiply
    132,266.99x = 182,500.04 × 78,570.11
  4. Step 4: Simplify right side
    132,266.99x = 14,339,047,501.73
  5. Step 5: Solve for x
    x = 14,339,047,501.73/132,266.99
  6. Step 6: Final answer
    x = 108,409.88

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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.