Home / 140,975.04-194,548.06-77,312.28

Finding the Fourth Proportional to 140,975.04, 194,548.06 and 77,312.28

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Solution

The fourth proportional to 140,975.04, 194,548.06 and 77,312.28 is: 106,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,975.04 : 194,548.06 = 77,312.28 : x
  2. Step 2: Convert to fraction form
    140,975.04/194,548.06 = 77,312.28/x
  3. Step 3: Cross multiply
    140,975.04x = 194,548.06 × 77,312.28
  4. Step 4: Simplify right side
    140,975.04x = 15,040,954,088.18
  5. Step 5: Solve for x
    x = 15,040,954,088.18/140,975.04
  6. Step 6: Final answer
    x = 106,692.32

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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.