Home / 126,890.56-175,095.48-70,296.40

Finding the Fourth Proportional to 126,890.56, 175,095.48 and 70,296.40

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Solution

The fourth proportional to 126,890.56, 175,095.48 and 70,296.40 is: 97,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,890.56 : 175,095.48 = 70,296.40 : x
  2. Step 2: Convert to fraction form
    126,890.56/175,095.48 = 70,296.40/x
  3. Step 3: Cross multiply
    126,890.56x = 175,095.48 × 70,296.40
  4. Step 4: Simplify right side
    126,890.56x = 12,308,581,900.27
  5. Step 5: Solve for x
    x = 12,308,581,900.27/126,890.56
  6. Step 6: Final answer
    x = 97,001.56

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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.