Home / 103,674.70-155,220.45-93,177.10

Finding the Fourth Proportional to 103,674.70, 155,220.45 and 93,177.10

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Solution

The fourth proportional to 103,674.70, 155,220.45 and 93,177.10 is: 139,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.70 : 155,220.45 = 93,177.10 : x
  2. Step 2: Convert to fraction form
    103,674.70/155,220.45 = 93,177.10/x
  3. Step 3: Cross multiply
    103,674.70x = 155,220.45 × 93,177.10
  4. Step 4: Simplify right side
    103,674.70x = 14,462,991,391.70
  5. Step 5: Solve for x
    x = 14,462,991,391.70/103,674.70
  6. Step 6: Final answer
    x = 139,503.58

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1.5x scale

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.