Home / 236,534.04-354,857.55-78,763.86

Finding the Fourth Proportional to 236,534.04, 354,857.55 and 78,763.86

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Solution

The fourth proportional to 236,534.04, 354,857.55 and 78,763.86 is: 118,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,534.04 : 354,857.55 = 78,763.86 : x
  2. Step 2: Convert to fraction form
    236,534.04/354,857.55 = 78,763.86/x
  3. Step 3: Cross multiply
    236,534.04x = 354,857.55 × 78,763.86
  4. Step 4: Simplify right side
    236,534.04x = 27,949,950,388.14
  5. Step 5: Solve for x
    x = 27,949,950,388.14/236,534.04
  6. Step 6: Final answer
    x = 118,164.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.