Home / 127,389.24-175,846.14-84,932.28

Finding the Fourth Proportional to 127,389.24, 175,846.14 and 84,932.28

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Solution

The fourth proportional to 127,389.24, 175,846.14 and 84,932.28 is: 117,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,389.24 : 175,846.14 = 84,932.28 : x
  2. Step 2: Convert to fraction form
    127,389.24/175,846.14 = 84,932.28/x
  3. Step 3: Cross multiply
    127,389.24x = 175,846.14 × 84,932.28
  4. Step 4: Simplify right side
    127,389.24x = 14,935,013,599.40
  5. Step 5: Solve for x
    x = 14,935,013,599.40/127,389.24
  6. Step 6: Final answer
    x = 117,239.21

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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.