Home / 207,271.04-311,217.60-118,624.64

Finding the Fourth Proportional to 207,271.04, 311,217.60 and 118,624.64

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Solution

The fourth proportional to 207,271.04, 311,217.60 and 118,624.64 is: 178,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,271.04 : 311,217.60 = 118,624.64 : x
  2. Step 2: Convert to fraction form
    207,271.04/311,217.60 = 118,624.64/x
  3. Step 3: Cross multiply
    207,271.04x = 311,217.60 × 118,624.64
  4. Step 4: Simplify right side
    207,271.04x = 36,918,075,761.66
  5. Step 5: Solve for x
    x = 36,918,075,761.66/207,271.04
  6. Step 6: Final answer
    x = 178,114.97

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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.