Home / 126,705.20-190,303.83-93,293.30

Finding the Fourth Proportional to 126,705.20, 190,303.83 and 93,293.30

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Solution

The fourth proportional to 126,705.20, 190,303.83 and 93,293.30 is: 140,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,705.20 : 190,303.83 = 93,293.30 : x
  2. Step 2: Convert to fraction form
    126,705.20/190,303.83 = 93,293.30/x
  3. Step 3: Cross multiply
    126,705.20x = 190,303.83 × 93,293.30
  4. Step 4: Simplify right side
    126,705.20x = 17,754,072,779.10
  5. Step 5: Solve for x
    x = 17,754,072,779.10/126,705.20
  6. Step 6: Final answer
    x = 140,121.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.