Home / 140,630.64-194,003.16-86,896.32

Finding the Fourth Proportional to 140,630.64, 194,003.16 and 86,896.32

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Solution

The fourth proportional to 140,630.64, 194,003.16 and 86,896.32 is: 119,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,630.64 : 194,003.16 = 86,896.32 : x
  2. Step 2: Convert to fraction form
    140,630.64/194,003.16 = 86,896.32/x
  3. Step 3: Cross multiply
    140,630.64x = 194,003.16 × 86,896.32
  4. Step 4: Simplify right side
    140,630.64x = 16,858,160,672.37
  5. Step 5: Solve for x
    x = 16,858,160,672.37/140,630.64
  6. Step 6: Final answer
    x = 119,875.45

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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.