Home / 145,844.59-201,281.78-92,127.01

Finding the Fourth Proportional to 145,844.59, 201,281.78 and 92,127.01

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Solution

The fourth proportional to 145,844.59, 201,281.78 and 92,127.01 is: 127,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,844.59 : 201,281.78 = 92,127.01 : x
  2. Step 2: Convert to fraction form
    145,844.59/201,281.78 = 92,127.01/x
  3. Step 3: Cross multiply
    145,844.59x = 201,281.78 × 92,127.01
  4. Step 4: Simplify right side
    145,844.59x = 18,543,488,558.88
  5. Step 5: Solve for x
    x = 18,543,488,558.88/145,844.59
  6. Step 6: Final answer
    x = 127,145.54

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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.