Home / 118,475.04-177,643.92-56,145.12

Finding the Fourth Proportional to 118,475.04, 177,643.92 and 56,145.12

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Solution

The fourth proportional to 118,475.04, 177,643.92 and 56,145.12 is: 84,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,475.04 : 177,643.92 = 56,145.12 : x
  2. Step 2: Convert to fraction form
    118,475.04/177,643.92 = 56,145.12/x
  3. Step 3: Cross multiply
    118,475.04x = 177,643.92 × 56,145.12
  4. Step 4: Simplify right side
    118,475.04x = 9,973,839,205.67
  5. Step 5: Solve for x
    x = 9,973,839,205.67/118,475.04
  6. Step 6: Final answer
    x = 84,185.15

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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.