Home / 104,444.32-144,129.20-56,696.64

Finding the Fourth Proportional to 104,444.32, 144,129.20 and 56,696.64

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Solution

The fourth proportional to 104,444.32, 144,129.20 and 56,696.64 is: 78,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,444.32 : 144,129.20 = 56,696.64 : x
  2. Step 2: Convert to fraction form
    104,444.32/144,129.20 = 56,696.64/x
  3. Step 3: Cross multiply
    104,444.32x = 144,129.20 × 56,696.64
  4. Step 4: Simplify right side
    104,444.32x = 8,171,641,365.89
  5. Step 5: Solve for x
    x = 8,171,641,365.89/104,444.32
  6. Step 6: Final answer
    x = 78,239.21

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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.