Home / 104,964.24-157,215.57-86,746.00

Finding the Fourth Proportional to 104,964.24, 157,215.57 and 86,746.00

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Solution

The fourth proportional to 104,964.24, 157,215.57 and 86,746.00 is: 129,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964.24 : 157,215.57 = 86,746.00 : x
  2. Step 2: Convert to fraction form
    104,964.24/157,215.57 = 86,746.00/x
  3. Step 3: Cross multiply
    104,964.24x = 157,215.57 × 86,746.00
  4. Step 4: Simplify right side
    104,964.24x = 13,637,821,998.71
  5. Step 5: Solve for x
    x = 13,637,821,998.71/104,964.24
  6. Step 6: Final answer
    x = 129,928.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.