Home / 104,320.64-156,424.32-36,818.88

Finding the Fourth Proportional to 104,320.64, 156,424.32 and 36,818.88

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Solution

The fourth proportional to 104,320.64, 156,424.32 and 36,818.88 is: 55,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.64 : 156,424.32 = 36,818.88 : x
  2. Step 2: Convert to fraction form
    104,320.64/156,424.32 = 36,818.88/x
  3. Step 3: Cross multiply
    104,320.64x = 156,424.32 × 36,818.88
  4. Step 4: Simplify right side
    104,320.64x = 5,759,368,267.16
  5. Step 5: Solve for x
    x = 5,759,368,267.16/104,320.64
  6. Step 6: Final answer
    x = 55,208.33

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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.