Home / 228,030.88-341,735.28-139,315.36

Finding the Fourth Proportional to 228,030.88, 341,735.28 and 139,315.36

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Solution

The fourth proportional to 228,030.88, 341,735.28 and 139,315.36 is: 208,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,030.88 : 341,735.28 = 139,315.36 : x
  2. Step 2: Convert to fraction form
    228,030.88/341,735.28 = 139,315.36/x
  3. Step 3: Cross multiply
    228,030.88x = 341,735.28 × 139,315.36
  4. Step 4: Simplify right side
    228,030.88x = 47,608,973,557.90
  5. Step 5: Solve for x
    x = 47,608,973,557.90/228,030.88
  6. Step 6: Final answer
    x = 208,783.01

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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.