Home / 156,065.74-215,370.03-84,447.03

Finding the Fourth Proportional to 156,065.74, 215,370.03 and 84,447.03

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Solution

The fourth proportional to 156,065.74, 215,370.03 and 84,447.03 is: 116,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065.74 : 215,370.03 = 84,447.03 : x
  2. Step 2: Convert to fraction form
    156,065.74/215,370.03 = 84,447.03/x
  3. Step 3: Cross multiply
    156,065.74x = 215,370.03 × 84,447.03
  4. Step 4: Simplify right side
    156,065.74x = 18,187,359,384.51
  5. Step 5: Solve for x
    x = 18,187,359,384.51/156,065.74
  6. Step 6: Final answer
    x = 116,536.53

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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.