Home / 175,115.80-262,688.28-69,877.36

Finding the Fourth Proportional to 175,115.80, 262,688.28 and 69,877.36

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Solution

The fourth proportional to 175,115.80, 262,688.28 and 69,877.36 is: 104,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,115.80 : 262,688.28 = 69,877.36 : x
  2. Step 2: Convert to fraction form
    175,115.80/262,688.28 = 69,877.36/x
  3. Step 3: Cross multiply
    175,115.80x = 262,688.28 × 69,877.36
  4. Step 4: Simplify right side
    175,115.80x = 18,355,963,509.34
  5. Step 5: Solve for x
    x = 18,355,963,509.34/175,115.80
  6. Step 6: Final answer
    x = 104,821.86

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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.