Home / 156,853.79-216,440.66-88,856.21

Finding the Fourth Proportional to 156,853.79, 216,440.66 and 88,856.21

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Solution

The fourth proportional to 156,853.79, 216,440.66 and 88,856.21 is: 122,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,853.79 : 216,440.66 = 88,856.21 : x
  2. Step 2: Convert to fraction form
    156,853.79/216,440.66 = 88,856.21/x
  3. Step 3: Cross multiply
    156,853.79x = 216,440.66 × 88,856.21
  4. Step 4: Simplify right side
    156,853.79x = 19,232,095,211.01
  5. Step 5: Solve for x
    x = 19,232,095,211.01/156,853.79
  6. Step 6: Final answer
    x = 122,611.61

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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.