Home / 104,113.20-143,674.48-56,366.16

Finding the Fourth Proportional to 104,113.20, 143,674.48 and 56,366.16

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Solution

The fourth proportional to 104,113.20, 143,674.48 and 56,366.16 is: 77,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,113.20 : 143,674.48 = 56,366.16 : x
  2. Step 2: Convert to fraction form
    104,113.20/143,674.48 = 56,366.16/x
  3. Step 3: Cross multiply
    104,113.20x = 143,674.48 × 56,366.16
  4. Step 4: Simplify right side
    104,113.20x = 8,098,378,727.60
  5. Step 5: Solve for x
    x = 8,098,378,727.60/104,113.20
  6. Step 6: Final answer
    x = 77,784.36

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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.