Home / 160,349.36-240,530.16-71,603.60

Finding the Fourth Proportional to 160,349.36, 240,530.16 and 71,603.60

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Solution

The fourth proportional to 160,349.36, 240,530.16 and 71,603.60 is: 107,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,349.36 : 240,530.16 = 71,603.60 : x
  2. Step 2: Convert to fraction form
    160,349.36/240,530.16 = 71,603.60/x
  3. Step 3: Cross multiply
    160,349.36x = 240,530.16 × 71,603.60
  4. Step 4: Simplify right side
    160,349.36x = 17,222,825,364.58
  5. Step 5: Solve for x
    x = 17,222,825,364.58/160,349.36
  6. Step 6: Final answer
    x = 107,408.13

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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.