Home / 152,056.25-209,828.65-84,067.89

Finding the Fourth Proportional to 152,056.25, 209,828.65 and 84,067.89

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Solution

The fourth proportional to 152,056.25, 209,828.65 and 84,067.89 is: 116,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,056.25 : 209,828.65 = 84,067.89 : x
  2. Step 2: Convert to fraction form
    152,056.25/209,828.65 = 84,067.89/x
  3. Step 3: Cross multiply
    152,056.25x = 209,828.65 × 84,067.89
  4. Step 4: Simplify right side
    152,056.25x = 17,639,851,656.88
  5. Step 5: Solve for x
    x = 17,639,851,656.88/152,056.25
  6. Step 6: Final answer
    x = 116,008.72

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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.