Home / 152,943.47-211,095.72-84,983.79

Finding the Fourth Proportional to 152,943.47, 211,095.72 and 84,983.79

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Solution

The fourth proportional to 152,943.47, 211,095.72 and 84,983.79 is: 117,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.47 : 211,095.72 = 84,983.79 : x
  2. Step 2: Convert to fraction form
    152,943.47/211,095.72 = 84,983.79/x
  3. Step 3: Cross multiply
    152,943.47x = 211,095.72 × 84,983.79
  4. Step 4: Simplify right side
    152,943.47x = 17,939,713,913.46
  5. Step 5: Solve for x
    x = 17,939,713,913.46/152,943.47
  6. Step 6: Final answer
    x = 117,296.37

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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.