Home / 123,437.40-185,156.10-116,548.35

Finding the Fourth Proportional to 123,437.40, 185,156.10 and 116,548.35

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Solution

The fourth proportional to 123,437.40, 185,156.10 and 116,548.35 is: 174,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,437.40 : 185,156.10 = 116,548.35 : x
  2. Step 2: Convert to fraction form
    123,437.40/185,156.10 = 116,548.35/x
  3. Step 3: Cross multiply
    123,437.40x = 185,156.10 × 116,548.35
  4. Step 4: Simplify right side
    123,437.40x = 21,579,637,947.44
  5. Step 5: Solve for x
    x = 21,579,637,947.44/123,437.40
  6. Step 6: Final answer
    x = 174,822.53

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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.