Home / 102,202.52-141,038.06-56,880.49

Finding the Fourth Proportional to 102,202.52, 141,038.06 and 56,880.49

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Solution

The fourth proportional to 102,202.52, 141,038.06 and 56,880.49 is: 78,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,202.52 : 141,038.06 = 56,880.49 : x
  2. Step 2: Convert to fraction form
    102,202.52/141,038.06 = 56,880.49/x
  3. Step 3: Cross multiply
    102,202.52x = 141,038.06 × 56,880.49
  4. Step 4: Simplify right side
    102,202.52x = 8,022,313,908.85
  5. Step 5: Solve for x
    x = 8,022,313,908.85/102,202.52
  6. Step 6: Final answer
    x = 78,494.29

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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.