Home / 152,943.13-211,055.64-84,964.38

Finding the Fourth Proportional to 152,943.13, 211,055.64 and 84,964.38

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Solution

The fourth proportional to 152,943.13, 211,055.64 and 84,964.38 is: 117,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.13 : 211,055.64 = 84,964.38 : x
  2. Step 2: Convert to fraction form
    152,943.13/211,055.64 = 84,964.38/x
  3. Step 3: Cross multiply
    152,943.13x = 211,055.64 × 84,964.38
  4. Step 4: Simplify right side
    152,943.13x = 17,932,211,598.10
  5. Step 5: Solve for x
    x = 17,932,211,598.10/152,943.13
  6. Step 6: Final answer
    x = 117,247.58

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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.