Home / 222,777.10-307,448.69-127,281.75

Finding the Fourth Proportional to 222,777.10, 307,448.69 and 127,281.75

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Solution

The fourth proportional to 222,777.10, 307,448.69 and 127,281.75 is: 175,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,777.10 : 307,448.69 = 127,281.75 : x
  2. Step 2: Convert to fraction form
    222,777.10/307,448.69 = 127,281.75/x
  3. Step 3: Cross multiply
    222,777.10x = 307,448.69 × 127,281.75
  4. Step 4: Simplify right side
    222,777.10x = 39,132,607,298.41
  5. Step 5: Solve for x
    x = 39,132,607,298.41/222,777.10
  6. Step 6: Final answer
    x = 175,658.12

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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.