Home / 104,192.79-143,785.26-56,445.80

Finding the Fourth Proportional to 104,192.79, 143,785.26 and 56,445.80

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Solution

The fourth proportional to 104,192.79, 143,785.26 and 56,445.80 is: 77,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.79 : 143,785.26 = 56,445.80 : x
  2. Step 2: Convert to fraction form
    104,192.79/143,785.26 = 56,445.80/x
  3. Step 3: Cross multiply
    104,192.79x = 143,785.26 × 56,445.80
  4. Step 4: Simplify right side
    104,192.79x = 8,116,073,367.91
  5. Step 5: Solve for x
    x = 8,116,073,367.91/104,192.79
  6. Step 6: Final answer
    x = 77,894.77

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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.