Home / 222,823.70-307,497.20-127,330.16

Finding the Fourth Proportional to 222,823.70, 307,497.20 and 127,330.16

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Solution

The fourth proportional to 222,823.70, 307,497.20 and 127,330.16 is: 175,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,823.70 : 307,497.20 = 127,330.16 : x
  2. Step 2: Convert to fraction form
    222,823.70/307,497.20 = 127,330.16/x
  3. Step 3: Cross multiply
    222,823.70x = 307,497.20 × 127,330.16
  4. Step 4: Simplify right side
    222,823.70x = 39,153,665,501.42
  5. Step 5: Solve for x
    x = 39,153,665,501.42/222,823.70
  6. Step 6: Final answer
    x = 175,715.90

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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.