Home / 115,191.48-158,952.78-84,993.24

Finding the Fourth Proportional to 115,191.48, 158,952.78 and 84,993.24

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Solution

The fourth proportional to 115,191.48, 158,952.78 and 84,993.24 is: 117,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,191.48 : 158,952.78 = 84,993.24 : x
  2. Step 2: Convert to fraction form
    115,191.48/158,952.78 = 84,993.24/x
  3. Step 3: Cross multiply
    115,191.48x = 158,952.78 × 84,993.24
  4. Step 4: Simplify right side
    115,191.48x = 13,509,911,779.21
  5. Step 5: Solve for x
    x = 13,509,911,779.21/115,191.48
  6. Step 6: Final answer
    x = 117,282.21

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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.