Home / 125,465.68-188,122.16-53,333.60

Finding the Fourth Proportional to 125,465.68, 188,122.16 and 53,333.60

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Solution

The fourth proportional to 125,465.68, 188,122.16 and 53,333.60 is: 79,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,465.68 : 188,122.16 = 53,333.60 : x
  2. Step 2: Convert to fraction form
    125,465.68/188,122.16 = 53,333.60/x
  3. Step 3: Cross multiply
    125,465.68x = 188,122.16 × 53,333.60
  4. Step 4: Simplify right side
    125,465.68x = 10,033,232,032.58
  5. Step 5: Solve for x
    x = 10,033,232,032.58/125,465.68
  6. Step 6: Final answer
    x = 79,967.94

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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.