Home / 152,905.66-211,002.64-84,927.02

Finding the Fourth Proportional to 152,905.66, 211,002.64 and 84,927.02

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Solution

The fourth proportional to 152,905.66, 211,002.64 and 84,927.02 is: 117,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,905.66 : 211,002.64 = 84,927.02 : x
  2. Step 2: Convert to fraction form
    152,905.66/211,002.64 = 84,927.02/x
  3. Step 3: Cross multiply
    152,905.66x = 211,002.64 × 84,927.02
  4. Step 4: Simplify right side
    152,905.66x = 17,919,824,160.00
  5. Step 5: Solve for x
    x = 17,919,824,160.00/152,905.66
  6. Step 6: Final answer
    x = 117,195.30

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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.