Home / 229,390.60-316,548.77-127,423.11

Finding the Fourth Proportional to 229,390.60, 316,548.77 and 127,423.11

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Solution

The fourth proportional to 229,390.60, 316,548.77 and 127,423.11 is: 175,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,390.60 : 316,548.77 = 127,423.11 : x
  2. Step 2: Convert to fraction form
    229,390.60/316,548.77 = 127,423.11/x
  3. Step 3: Cross multiply
    229,390.60x = 316,548.77 × 127,423.11
  4. Step 4: Simplify right side
    229,390.60x = 40,335,628,740.07
  5. Step 5: Solve for x
    x = 40,335,628,740.07/229,390.60
  6. Step 6: Final answer
    x = 175,838.19

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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.