Home / 229,106.12-316,330.26-152,805.56

Finding the Fourth Proportional to 229,106.12, 316,330.26 and 152,805.56

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Solution

The fourth proportional to 229,106.12, 316,330.26 and 152,805.56 is: 210,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,106.12 : 316,330.26 = 152,805.56 : x
  2. Step 2: Convert to fraction form
    229,106.12/316,330.26 = 152,805.56/x
  3. Step 3: Cross multiply
    229,106.12x = 316,330.26 × 152,805.56
  4. Step 4: Simplify right side
    229,106.12x = 48,337,022,524.25
  5. Step 5: Solve for x
    x = 48,337,022,524.25/229,106.12
  6. Step 6: Final answer
    x = 210,980.93

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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.