Home / 174,870.80-262,176.60-74,949.20

Finding the Fourth Proportional to 174,870.80, 262,176.60 and 74,949.20

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Solution

The fourth proportional to 174,870.80, 262,176.60 and 74,949.20 is: 112,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,870.80 : 262,176.60 = 74,949.20 : x
  2. Step 2: Convert to fraction form
    174,870.80/262,176.60 = 74,949.20/x
  3. Step 3: Cross multiply
    174,870.80x = 262,176.60 × 74,949.20
  4. Step 4: Simplify right side
    174,870.80x = 19,649,926,428.72
  5. Step 5: Solve for x
    x = 19,649,926,428.72/174,870.80
  6. Step 6: Final answer
    x = 112,368.25

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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.