Home / 223,065.08-307,825.98-122,462.36

Finding the Fourth Proportional to 223,065.08, 307,825.98 and 122,462.36

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Solution

The fourth proportional to 223,065.08, 307,825.98 and 122,462.36 is: 168,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,065.08 : 307,825.98 = 122,462.36 : x
  2. Step 2: Convert to fraction form
    223,065.08/307,825.98 = 122,462.36/x
  3. Step 3: Cross multiply
    223,065.08x = 307,825.98 × 122,462.36
  4. Step 4: Simplify right side
    223,065.08x = 37,697,095,980.11
  5. Step 5: Solve for x
    x = 37,697,095,980.11/223,065.08
  6. Step 6: Final answer
    x = 168,995.95

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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.