Home / 425,153.39-637,820.04-140,827.83

Finding the Fourth Proportional to 425,153.39, 637,820.04 and 140,827.83

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Solution

The fourth proportional to 425,153.39, 637,820.04 and 140,827.83 is: 211,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,153.39 : 637,820.04 = 140,827.83 : x
  2. Step 2: Convert to fraction form
    425,153.39/637,820.04 = 140,827.83/x
  3. Step 3: Cross multiply
    425,153.39x = 637,820.04 × 140,827.83
  4. Step 4: Simplify right side
    425,153.39x = 89,822,812,163.71
  5. Step 5: Solve for x
    x = 89,822,812,163.71/425,153.39
  6. Step 6: Final answer
    x = 211,271.54

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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.