Home / 134,928.65-201,543.46-99,072.79

Finding the Fourth Proportional to 134,928.65, 201,543.46 and 99,072.79

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Solution

The fourth proportional to 134,928.65, 201,543.46 and 99,072.79 is: 147,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,928.65 : 201,543.46 = 99,072.79 : x
  2. Step 2: Convert to fraction form
    134,928.65/201,543.46 = 99,072.79/x
  3. Step 3: Cross multiply
    134,928.65x = 201,543.46 × 99,072.79
  4. Step 4: Simplify right side
    134,928.65x = 19,967,472,136.91
  5. Step 5: Solve for x
    x = 19,967,472,136.91/134,928.65
  6. Step 6: Final answer
    x = 147,985.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.