Home / 222,559.48-307,122.06-121,955.32

Finding the Fourth Proportional to 222,559.48, 307,122.06 and 121,955.32

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Solution

The fourth proportional to 222,559.48, 307,122.06 and 121,955.32 is: 168,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,559.48 : 307,122.06 = 121,955.32 : x
  2. Step 2: Convert to fraction form
    222,559.48/307,122.06 = 121,955.32/x
  3. Step 3: Cross multiply
    222,559.48x = 307,122.06 × 121,955.32
  4. Step 4: Simplify right side
    222,559.48x = 37,455,169,106.36
  5. Step 5: Solve for x
    x = 37,455,169,106.36/222,559.48
  6. Step 6: Final answer
    x = 168,292.85

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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.