Home / 141,388.70-195,113.49-84,818.30

Finding the Fourth Proportional to 141,388.70, 195,113.49 and 84,818.30

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Solution

The fourth proportional to 141,388.70, 195,113.49 and 84,818.30 is: 117,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.70 : 195,113.49 = 84,818.30 : x
  2. Step 2: Convert to fraction form
    141,388.70/195,113.49 = 84,818.30/x
  3. Step 3: Cross multiply
    141,388.70x = 195,113.49 × 84,818.30
  4. Step 4: Simplify right side
    141,388.70x = 16,549,194,528.87
  5. Step 5: Solve for x
    x = 16,549,194,528.87/141,388.70
  6. Step 6: Final answer
    x = 117,047.50

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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.