Home / 245,118.16-367,677.51-76,639.36

Finding the Fourth Proportional to 245,118.16, 367,677.51 and 76,639.36

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Solution

The fourth proportional to 245,118.16, 367,677.51 and 76,639.36 is: 114,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,118.16 : 367,677.51 = 76,639.36 : x
  2. Step 2: Convert to fraction form
    245,118.16/367,677.51 = 76,639.36/x
  3. Step 3: Cross multiply
    245,118.16x = 367,677.51 × 76,639.36
  4. Step 4: Simplify right side
    245,118.16x = 28,178,569,052.79
  5. Step 5: Solve for x
    x = 28,178,569,052.79/245,118.16
  6. Step 6: Final answer
    x = 114,959.12

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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.