Home / 454,961.16-682,521.98-155,371.50

Finding the Fourth Proportional to 454,961.16, 682,521.98 and 155,371.50

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Solution

The fourth proportional to 454,961.16, 682,521.98 and 155,371.50 is: 233,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,961.16 : 682,521.98 = 155,371.50 : x
  2. Step 2: Convert to fraction form
    454,961.16/682,521.98 = 155,371.50/x
  3. Step 3: Cross multiply
    454,961.16x = 682,521.98 × 155,371.50
  4. Step 4: Simplify right side
    454,961.16x = 106,044,463,038.71
  5. Step 5: Solve for x
    x = 106,044,463,038.71/454,961.16
  6. Step 6: Final answer
    x = 233,084.65

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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.