Home / 346,097.20-519,291.60-188,438.80

Finding the Fourth Proportional to 346,097.20, 519,291.60 and 188,438.80

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Solution

The fourth proportional to 346,097.20, 519,291.60 and 188,438.80 is: 282,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,097.20 : 519,291.60 = 188,438.80 : x
  2. Step 2: Convert to fraction form
    346,097.20/519,291.60 = 188,438.80/x
  3. Step 3: Cross multiply
    346,097.20x = 519,291.60 × 188,438.80
  4. Step 4: Simplify right side
    346,097.20x = 97,854,685,954.08
  5. Step 5: Solve for x
    x = 97,854,685,954.08/346,097.20
  6. Step 6: Final answer
    x = 282,737.58

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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.