Home / 105,475.77-158,239.04-43,146.45

Finding the Fourth Proportional to 105,475.77, 158,239.04 and 43,146.45

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Solution

The fourth proportional to 105,475.77, 158,239.04 and 43,146.45 is: 64,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,475.77 : 158,239.04 = 43,146.45 : x
  2. Step 2: Convert to fraction form
    105,475.77/158,239.04 = 43,146.45/x
  3. Step 3: Cross multiply
    105,475.77x = 158,239.04 × 43,146.45
  4. Step 4: Simplify right side
    105,475.77x = 6,827,452,611.68
  5. Step 5: Solve for x
    x = 6,827,452,611.68/105,475.77
  6. Step 6: Final answer
    x = 64,730.06

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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.