Home / 205,023.60-307,536.12-99,752.40

Finding the Fourth Proportional to 205,023.60, 307,536.12 and 99,752.40

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Solution

The fourth proportional to 205,023.60, 307,536.12 and 99,752.40 is: 149,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,023.60 : 307,536.12 = 99,752.40 : x
  2. Step 2: Convert to fraction form
    205,023.60/307,536.12 = 99,752.40/x
  3. Step 3: Cross multiply
    205,023.60x = 307,536.12 × 99,752.40
  4. Step 4: Simplify right side
    205,023.60x = 30,677,466,056.69
  5. Step 5: Solve for x
    x = 30,677,466,056.69/205,023.60
  6. Step 6: Final answer
    x = 149,628.95

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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.