Home / 476,101.60-714,141.51-121,116.04

Finding the Fourth Proportional to 476,101.60, 714,141.51 and 121,116.04

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Solution

The fourth proportional to 476,101.60, 714,141.51 and 121,116.04 is: 181,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,101.60 : 714,141.51 = 121,116.04 : x
  2. Step 2: Convert to fraction form
    476,101.60/714,141.51 = 121,116.04/x
  3. Step 3: Cross multiply
    476,101.60x = 714,141.51 × 121,116.04
  4. Step 4: Simplify right side
    476,101.60x = 86,493,991,690.82
  5. Step 5: Solve for x
    x = 86,493,991,690.82/476,101.60
  6. Step 6: Final answer
    x = 181,671.29

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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.