Home / 160,567.12-240,858.36-77,530.96

Finding the Fourth Proportional to 160,567.12, 240,858.36 and 77,530.96

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Solution

The fourth proportional to 160,567.12, 240,858.36 and 77,530.96 is: 116,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,567.12 : 240,858.36 = 77,530.96 : x
  2. Step 2: Convert to fraction form
    160,567.12/240,858.36 = 77,530.96/x
  3. Step 3: Cross multiply
    160,567.12x = 240,858.36 × 77,530.96
  4. Step 4: Simplify right side
    160,567.12x = 18,673,979,874.83
  5. Step 5: Solve for x
    x = 18,673,979,874.83/160,567.12
  6. Step 6: Final answer
    x = 116,300.15

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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.