Home / 115,567.11-159,531.75-70,259.56

Finding the Fourth Proportional to 115,567.11, 159,531.75 and 70,259.56

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Solution

The fourth proportional to 115,567.11, 159,531.75 and 70,259.56 is: 96,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,567.11 : 159,531.75 = 70,259.56 : x
  2. Step 2: Convert to fraction form
    115,567.11/159,531.75 = 70,259.56/x
  3. Step 3: Cross multiply
    115,567.11x = 159,531.75 × 70,259.56
  4. Step 4: Simplify right side
    115,567.11x = 11,208,630,162.20
  5. Step 5: Solve for x
    x = 11,208,630,162.20/115,567.11
  6. Step 6: Final answer
    x = 96,988.06

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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.