Home / 156,062.18-215,364.28-84,440.63

Finding the Fourth Proportional to 156,062.18, 215,364.28 and 84,440.63

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Solution

The fourth proportional to 156,062.18, 215,364.28 and 84,440.63 is: 116,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,062.18 : 215,364.28 = 84,440.63 : x
  2. Step 2: Convert to fraction form
    156,062.18/215,364.28 = 84,440.63/x
  3. Step 3: Cross multiply
    156,062.18x = 215,364.28 × 84,440.63
  4. Step 4: Simplify right side
    156,062.18x = 18,185,495,060.49
  5. Step 5: Solve for x
    x = 18,185,495,060.49/156,062.18
  6. Step 6: Final answer
    x = 116,527.24

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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.