Home / 425,172.08-637,848.07-140,846.51

Finding the Fourth Proportional to 425,172.08, 637,848.07 and 140,846.51

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Solution

The fourth proportional to 425,172.08, 637,848.07 and 140,846.51 is: 211,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,172.08 : 637,848.07 = 140,846.51 : x
  2. Step 2: Convert to fraction form
    425,172.08/637,848.07 = 140,846.51/x
  3. Step 3: Cross multiply
    425,172.08x = 637,848.07 × 140,846.51
  4. Step 4: Simplify right side
    425,172.08x = 89,838,675,812.24
  5. Step 5: Solve for x
    x = 89,838,675,812.24/425,172.08
  6. Step 6: Final answer
    x = 211,299.56

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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.