Home / 103,746.42-155,496.60-93,166.80

Finding the Fourth Proportional to 103,746.42, 155,496.60 and 93,166.80

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Solution

The fourth proportional to 103,746.42, 155,496.60 and 93,166.80 is: 139,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,746.42 : 155,496.60 = 93,166.80 : x
  2. Step 2: Convert to fraction form
    103,746.42/155,496.60 = 93,166.80/x
  3. Step 3: Cross multiply
    103,746.42x = 155,496.60 × 93,166.80
  4. Step 4: Simplify right side
    103,746.42x = 14,487,120,632.88
  5. Step 5: Solve for x
    x = 14,487,120,632.88/103,746.42
  6. Step 6: Final answer
    x = 139,639.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.