Home / 175,445.70-242,100.42-103,813.22

Finding the Fourth Proportional to 175,445.70, 242,100.42 and 103,813.22

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Solution

The fourth proportional to 175,445.70, 242,100.42 and 103,813.22 is: 143,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,445.70 : 242,100.42 = 103,813.22 : x
  2. Step 2: Convert to fraction form
    175,445.70/242,100.42 = 103,813.22/x
  3. Step 3: Cross multiply
    175,445.70x = 242,100.42 × 103,813.22
  4. Step 4: Simplify right side
    175,445.70x = 25,133,224,163.55
  5. Step 5: Solve for x
    x = 25,133,224,163.55/175,445.70
  6. Step 6: Final answer
    x = 143,253.58

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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.