Home / 425,155.13-637,822.66-140,829.58

Finding the Fourth Proportional to 425,155.13, 637,822.66 and 140,829.58

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Solution

The fourth proportional to 425,155.13, 637,822.66 and 140,829.58 is: 211,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,155.13 : 637,822.66 = 140,829.58 : x
  2. Step 2: Convert to fraction form
    425,155.13/637,822.66 = 140,829.58/x
  3. Step 3: Cross multiply
    425,155.13x = 637,822.66 × 140,829.58
  4. Step 4: Simplify right side
    425,155.13x = 89,824,297,322.28
  5. Step 5: Solve for x
    x = 89,824,297,322.28/425,155.13
  6. Step 6: Final answer
    x = 211,274.17

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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.