Home / 250,789.60-346,075.76-137,603.36

Finding the Fourth Proportional to 250,789.60, 346,075.76 and 137,603.36

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Solution

The fourth proportional to 250,789.60, 346,075.76 and 137,603.36 is: 189,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,789.60 : 346,075.76 = 137,603.36 : x
  2. Step 2: Convert to fraction form
    250,789.60/346,075.76 = 137,603.36/x
  3. Step 3: Cross multiply
    250,789.60x = 346,075.76 × 137,603.36
  4. Step 4: Simplify right side
    250,789.60x = 47,621,187,390.55
  5. Step 5: Solve for x
    x = 47,621,187,390.55/250,789.60
  6. Step 6: Final answer
    x = 189,885.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.