Home / 134,122.61-201,139.49-54,139.93

Finding the Fourth Proportional to 134,122.61, 201,139.49 and 54,139.93

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Solution

The fourth proportional to 134,122.61, 201,139.49 and 54,139.93 is: 81,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,122.61 : 201,139.49 = 54,139.93 : x
  2. Step 2: Convert to fraction form
    134,122.61/201,139.49 = 54,139.93/x
  3. Step 3: Cross multiply
    134,122.61x = 201,139.49 × 54,139.93
  4. Step 4: Simplify right side
    134,122.61x = 10,889,677,541.34
  5. Step 5: Solve for x
    x = 10,889,677,541.34/134,122.61
  6. Step 6: Final answer
    x = 81,191.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.