Home / 153,179.24-211,406.34-86,111.24

Finding the Fourth Proportional to 153,179.24, 211,406.34 and 86,111.24

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Solution

The fourth proportional to 153,179.24, 211,406.34 and 86,111.24 is: 118,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,179.24 : 211,406.34 = 86,111.24 : x
  2. Step 2: Convert to fraction form
    153,179.24/211,406.34 = 86,111.24/x
  3. Step 3: Cross multiply
    153,179.24x = 211,406.34 × 86,111.24
  4. Step 4: Simplify right side
    153,179.24x = 18,204,462,081.26
  5. Step 5: Solve for x
    x = 18,204,462,081.26/153,179.24
  6. Step 6: Final answer
    x = 118,844.19

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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.