Home / 296,428.53-444,323.93-128,028.05

Finding the Fourth Proportional to 296,428.53, 444,323.93 and 128,028.05

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Solution

The fourth proportional to 296,428.53, 444,323.93 and 128,028.05 is: 191,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,428.53 : 444,323.93 = 128,028.05 : x
  2. Step 2: Convert to fraction form
    296,428.53/444,323.93 = 128,028.05/x
  3. Step 3: Cross multiply
    296,428.53x = 444,323.93 × 128,028.05
  4. Step 4: Simplify right side
    296,428.53x = 56,885,923,464.48
  5. Step 5: Solve for x
    x = 56,885,923,464.48/296,428.53
  6. Step 6: Final answer
    x = 191,904.35

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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.