Home / 140,528.40-193,996.08-86,844.84

Finding the Fourth Proportional to 140,528.40, 193,996.08 and 86,844.84

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Solution

The fourth proportional to 140,528.40, 193,996.08 and 86,844.84 is: 119,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,528.40 : 193,996.08 = 86,844.84 : x
  2. Step 2: Convert to fraction form
    140,528.40/193,996.08 = 86,844.84/x
  3. Step 3: Cross multiply
    140,528.40x = 193,996.08 × 86,844.84
  4. Step 4: Simplify right side
    140,528.40x = 16,847,558,528.23
  5. Step 5: Solve for x
    x = 16,847,558,528.23/140,528.40
  6. Step 6: Final answer
    x = 119,887.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.