Home / 124,362.40-186,475.20-84,964

Finding the Fourth Proportional to 124,362.40, 186,475.20 and 84,964

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Solution

The fourth proportional to 124,362.40, 186,475.20 and 84,964 is: 127,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,362.40 : 186,475.20 = 84,964 : x
  2. Step 2: Convert to fraction form
    124,362.40/186,475.20 = 84,964/x
  3. Step 3: Cross multiply
    124,362.40x = 186,475.20 × 84,964
  4. Step 4: Simplify right side
    124,362.40x = 15,843,678,892.80
  5. Step 5: Solve for x
    x = 15,843,678,892.80/124,362.40
  6. Step 6: Final answer
    x = 127,399.27

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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.