Home / 205,847.04-308,770.08-135,215.52

Finding the Fourth Proportional to 205,847.04, 308,770.08 and 135,215.52

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Solution

The fourth proportional to 205,847.04, 308,770.08 and 135,215.52 is: 202,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,847.04 : 308,770.08 = 135,215.52 : x
  2. Step 2: Convert to fraction form
    205,847.04/308,770.08 = 135,215.52/x
  3. Step 3: Cross multiply
    205,847.04x = 308,770.08 × 135,215.52
  4. Step 4: Simplify right side
    205,847.04x = 41,750,506,927.64
  5. Step 5: Solve for x
    x = 41,750,506,927.64/205,847.04
  6. Step 6: Final answer
    x = 202,822.96

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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.