Home / 229,454.03-316,644.47-127,479.69

Finding the Fourth Proportional to 229,454.03, 316,644.47 and 127,479.69

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Solution

The fourth proportional to 229,454.03, 316,644.47 and 127,479.69 is: 175,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,454.03 : 316,644.47 = 127,479.69 : x
  2. Step 2: Convert to fraction form
    229,454.03/316,644.47 = 127,479.69/x
  3. Step 3: Cross multiply
    229,454.03x = 316,644.47 × 127,479.69
  4. Step 4: Simplify right side
    229,454.03x = 40,365,738,875.81
  5. Step 5: Solve for x
    x = 40,365,738,875.81/229,454.03
  6. Step 6: Final answer
    x = 175,920.81

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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.