Home / 135,681.93-187,239.83-75,252.69

Finding the Fourth Proportional to 135,681.93, 187,239.83 and 75,252.69

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Solution

The fourth proportional to 135,681.93, 187,239.83 and 75,252.69 is: 103,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,681.93 : 187,239.83 = 75,252.69 : x
  2. Step 2: Convert to fraction form
    135,681.93/187,239.83 = 75,252.69/x
  3. Step 3: Cross multiply
    135,681.93x = 187,239.83 × 75,252.69
  4. Step 4: Simplify right side
    135,681.93x = 14,090,300,506.38
  5. Step 5: Solve for x
    x = 14,090,300,506.38/135,681.93
  6. Step 6: Final answer
    x = 103,848.03

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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.