Home / 222,955.47-307,678.77-127,464.23

Finding the Fourth Proportional to 222,955.47, 307,678.77 and 127,464.23

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Solution

The fourth proportional to 222,955.47, 307,678.77 and 127,464.23 is: 175,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,955.47 : 307,678.77 = 127,464.23 : x
  2. Step 2: Convert to fraction form
    222,955.47/307,678.77 = 127,464.23/x
  3. Step 3: Cross multiply
    222,955.47x = 307,678.77 × 127,464.23
  4. Step 4: Simplify right side
    222,955.47x = 39,218,038,274.59
  5. Step 5: Solve for x
    x = 39,218,038,274.59/222,955.47
  6. Step 6: Final answer
    x = 175,900.77

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1.5x scale

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.