Home / 140,995.04-194,573.28-77,334.08

Finding the Fourth Proportional to 140,995.04, 194,573.28 and 77,334.08

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Solution

The fourth proportional to 140,995.04, 194,573.28 and 77,334.08 is: 106,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,995.04 : 194,573.28 = 77,334.08 : x
  2. Step 2: Convert to fraction form
    140,995.04/194,573.28 = 77,334.08/x
  3. Step 3: Cross multiply
    140,995.04x = 194,573.28 × 77,334.08
  4. Step 4: Simplify right side
    140,995.04x = 15,047,145,601.38
  5. Step 5: Solve for x
    x = 15,047,145,601.38/140,995.04
  6. Step 6: Final answer
    x = 106,721.10

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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.