Home / 126,913.76-175,142.18-70,326.36

Finding the Fourth Proportional to 126,913.76, 175,142.18 and 70,326.36

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Solution

The fourth proportional to 126,913.76, 175,142.18 and 70,326.36 is: 97,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.76 : 175,142.18 = 70,326.36 : x
  2. Step 2: Convert to fraction form
    126,913.76/175,142.18 = 70,326.36/x
  3. Step 3: Cross multiply
    126,913.76x = 175,142.18 × 70,326.36
  4. Step 4: Simplify right side
    126,913.76x = 12,317,112,001.86
  5. Step 5: Solve for x
    x = 12,317,112,001.86/126,913.76
  6. Step 6: Final answer
    x = 97,051.04

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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.