Home / 229,189.51-316,247.81-127,215.73

Finding the Fourth Proportional to 229,189.51, 316,247.81 and 127,215.73

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Solution

The fourth proportional to 229,189.51, 316,247.81 and 127,215.73 is: 175,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,189.51 : 316,247.81 = 127,215.73 : x
  2. Step 2: Convert to fraction form
    229,189.51/316,247.81 = 127,215.73/x
  3. Step 3: Cross multiply
    229,189.51x = 316,247.81 × 127,215.73
  4. Step 4: Simplify right side
    229,189.51x = 40,231,696,484.87
  5. Step 5: Solve for x
    x = 40,231,696,484.87/229,189.51
  6. Step 6: Final answer
    x = 175,539.00

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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.