Home / 174,890.40-262,465.20-69,784.80

Finding the Fourth Proportional to 174,890.40, 262,465.20 and 69,784.80

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Solution

The fourth proportional to 174,890.40, 262,465.20 and 69,784.80 is: 104,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,890.40 : 262,465.20 = 69,784.80 : x
  2. Step 2: Convert to fraction form
    174,890.40/262,465.20 = 69,784.80/x
  3. Step 3: Cross multiply
    174,890.40x = 262,465.20 × 69,784.80
  4. Step 4: Simplify right side
    174,890.40x = 18,316,081,488.96
  5. Step 5: Solve for x
    x = 18,316,081,488.96/174,890.40
  6. Step 6: Final answer
    x = 104,728.91

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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.