Home / 115,611.56-159,525.40-70,265.32

Finding the Fourth Proportional to 115,611.56, 159,525.40 and 70,265.32

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Solution

The fourth proportional to 115,611.56, 159,525.40 and 70,265.32 is: 96,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,611.56 : 159,525.40 = 70,265.32 : x
  2. Step 2: Convert to fraction form
    115,611.56/159,525.40 = 70,265.32/x
  3. Step 3: Cross multiply
    115,611.56x = 159,525.40 × 70,265.32
  4. Step 4: Simplify right side
    115,611.56x = 11,209,103,279.13
  5. Step 5: Solve for x
    x = 11,209,103,279.13/115,611.56
  6. Step 6: Final answer
    x = 96,954.87

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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.