Home / 174,280.36-261,445.02-69,109.96

Finding the Fourth Proportional to 174,280.36, 261,445.02 and 69,109.96

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Solution

The fourth proportional to 174,280.36, 261,445.02 and 69,109.96 is: 103,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,280.36 : 261,445.02 = 69,109.96 : x
  2. Step 2: Convert to fraction form
    174,280.36/261,445.02 = 69,109.96/x
  3. Step 3: Cross multiply
    174,280.36x = 261,445.02 × 69,109.96
  4. Step 4: Simplify right side
    174,280.36x = 18,068,454,874.40
  5. Step 5: Solve for x
    x = 18,068,454,874.40/174,280.36
  6. Step 6: Final answer
    x = 103,674.65

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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.