Home / 156,233.79-215,615.90-88,263.23

Finding the Fourth Proportional to 156,233.79, 215,615.90 and 88,263.23

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Solution

The fourth proportional to 156,233.79, 215,615.90 and 88,263.23 is: 121,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,233.79 : 215,615.90 = 88,263.23 : x
  2. Step 2: Convert to fraction form
    156,233.79/215,615.90 = 88,263.23/x
  3. Step 3: Cross multiply
    156,233.79x = 215,615.90 × 88,263.23
  4. Step 4: Simplify right side
    156,233.79x = 19,030,956,183.74
  5. Step 5: Solve for x
    x = 19,030,956,183.74/156,233.79
  6. Step 6: Final answer
    x = 121,810.76

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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.