Home / 115,567.05-159,500.83-70,259.23

Finding the Fourth Proportional to 115,567.05, 159,500.83 and 70,259.23

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Solution

The fourth proportional to 115,567.05, 159,500.83 and 70,259.23 is: 96,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,567.05 : 159,500.83 = 70,259.23 : x
  2. Step 2: Convert to fraction form
    115,567.05/159,500.83 = 70,259.23/x
  3. Step 3: Cross multiply
    115,567.05x = 159,500.83 × 70,259.23
  4. Step 4: Simplify right side
    115,567.05x = 11,206,404,702.66
  5. Step 5: Solve for x
    x = 11,206,404,702.66/115,567.05
  6. Step 6: Final answer
    x = 96,968.86

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1.5x scale

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.