Home / 156,062.31-215,364.45-84,440.76

Finding the Fourth Proportional to 156,062.31, 215,364.45 and 84,440.76

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Solution

The fourth proportional to 156,062.31, 215,364.45 and 84,440.76 is: 116,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,062.31 : 215,364.45 = 84,440.76 : x
  2. Step 2: Convert to fraction form
    156,062.31/215,364.45 = 84,440.76/x
  3. Step 3: Cross multiply
    156,062.31x = 215,364.45 × 84,440.76
  4. Step 4: Simplify right side
    156,062.31x = 18,185,537,834.98
  5. Step 5: Solve for x
    x = 18,185,537,834.98/156,062.31
  6. Step 6: Final answer
    x = 116,527.42

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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.