Home / 153,226.64-229,364.76-82,931.60

Finding the Fourth Proportional to 153,226.64, 229,364.76 and 82,931.60

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Solution

The fourth proportional to 153,226.64, 229,364.76 and 82,931.60 is: 124,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,226.64 : 229,364.76 = 82,931.60 : x
  2. Step 2: Convert to fraction form
    153,226.64/229,364.76 = 82,931.60/x
  3. Step 3: Cross multiply
    153,226.64x = 229,364.76 × 82,931.60
  4. Step 4: Simplify right side
    153,226.64x = 19,021,586,530.42
  5. Step 5: Solve for x
    x = 19,021,586,530.42/153,226.64
  6. Step 6: Final answer
    x = 124,140.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.