Home / 175,423.14-242,123.85-103,845.06

Finding the Fourth Proportional to 175,423.14, 242,123.85 and 103,845.06

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Solution

The fourth proportional to 175,423.14, 242,123.85 and 103,845.06 is: 143,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,423.14 : 242,123.85 = 103,845.06 : x
  2. Step 2: Convert to fraction form
    175,423.14/242,123.85 = 103,845.06/x
  3. Step 3: Cross multiply
    175,423.14x = 242,123.85 × 103,845.06
  4. Step 4: Simplify right side
    175,423.14x = 25,143,365,730.68
  5. Step 5: Solve for x
    x = 25,143,365,730.68/175,423.14
  6. Step 6: Final answer
    x = 143,329.81

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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.