Home / 210,108.24-289,940.79-124,095.06

Finding the Fourth Proportional to 210,108.24, 289,940.79 and 124,095.06

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Solution

The fourth proportional to 210,108.24, 289,940.79 and 124,095.06 is: 171,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,108.24 : 289,940.79 = 124,095.06 : x
  2. Step 2: Convert to fraction form
    210,108.24/289,940.79 = 124,095.06/x
  3. Step 3: Cross multiply
    210,108.24x = 289,940.79 × 124,095.06
  4. Step 4: Simplify right side
    210,108.24x = 35,980,219,731.50
  5. Step 5: Solve for x
    x = 35,980,219,731.50/210,108.24
  6. Step 6: Final answer
    x = 171,246.11

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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.