Home / 425,153.04-637,766.28-109,607.28

Finding the Fourth Proportional to 425,153.04, 637,766.28 and 109,607.28

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Solution

The fourth proportional to 425,153.04, 637,766.28 and 109,607.28 is: 164,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,153.04 : 637,766.28 = 109,607.28 : x
  2. Step 2: Convert to fraction form
    425,153.04/637,766.28 = 109,607.28/x
  3. Step 3: Cross multiply
    425,153.04x = 637,766.28 × 109,607.28
  4. Step 4: Simplify right side
    425,153.04x = 69,903,827,226.52
  5. Step 5: Solve for x
    x = 69,903,827,226.52/425,153.04
  6. Step 6: Final answer
    x = 164,420.39

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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.