Home / 156,863.45-216,502.98-93,188.95

Finding the Fourth Proportional to 156,863.45, 216,502.98 and 93,188.95

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Solution

The fourth proportional to 156,863.45, 216,502.98 and 93,188.95 is: 128,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863.45 : 216,502.98 = 93,188.95 : x
  2. Step 2: Convert to fraction form
    156,863.45/216,502.98 = 93,188.95/x
  3. Step 3: Cross multiply
    156,863.45x = 216,502.98 × 93,188.95
  4. Step 4: Simplify right side
    156,863.45x = 20,175,685,378.07
  5. Step 5: Solve for x
    x = 20,175,685,378.07/156,863.45
  6. Step 6: Final answer
    x = 128,619.42

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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.