Home / 205,032.60-307,635.30-111,605.40

Finding the Fourth Proportional to 205,032.60, 307,635.30 and 111,605.40

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Solution

The fourth proportional to 205,032.60, 307,635.30 and 111,605.40 is: 167,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,032.60 : 307,635.30 = 111,605.40 : x
  2. Step 2: Convert to fraction form
    205,032.60/307,635.30 = 111,605.40/x
  3. Step 3: Cross multiply
    205,032.60x = 307,635.30 × 111,605.40
  4. Step 4: Simplify right side
    205,032.60x = 34,333,760,710.62
  5. Step 5: Solve for x
    x = 34,333,760,710.62/205,032.60
  6. Step 6: Final answer
    x = 167,455.13

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1.5x scale

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.