Home / 156,913.26-216,571.80-93,238.74

Finding the Fourth Proportional to 156,913.26, 216,571.80 and 93,238.74

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Solution

The fourth proportional to 156,913.26, 216,571.80 and 93,238.74 is: 128,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.26 : 216,571.80 = 93,238.74 : x
  2. Step 2: Convert to fraction form
    156,913.26/216,571.80 = 93,238.74/x
  3. Step 3: Cross multiply
    156,913.26x = 216,571.80 × 93,238.74
  4. Step 4: Simplify right side
    156,913.26x = 20,192,881,751.53
  5. Step 5: Solve for x
    x = 20,192,881,751.53/156,913.26
  6. Step 6: Final answer
    x = 128,688.18

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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.