Home / 229,606.16-316,834.74-127,619.50

Finding the Fourth Proportional to 229,606.16, 316,834.74 and 127,619.50

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Solution

The fourth proportional to 229,606.16, 316,834.74 and 127,619.50 is: 176,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,606.16 : 316,834.74 = 127,619.50 : x
  2. Step 2: Convert to fraction form
    229,606.16/316,834.74 = 127,619.50/x
  3. Step 3: Cross multiply
    229,606.16x = 316,834.74 × 127,619.50
  4. Step 4: Simplify right side
    229,606.16x = 40,434,291,101.43
  5. Step 5: Solve for x
    x = 40,434,291,101.43/229,606.16
  6. Step 6: Final answer
    x = 176,102.81

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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.