Home / 104,574.19-156,844.81-86,918.22

Finding the Fourth Proportional to 104,574.19, 156,844.81 and 86,918.22

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Solution

The fourth proportional to 104,574.19, 156,844.81 and 86,918.22 is: 130,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,574.19 : 156,844.81 = 86,918.22 : x
  2. Step 2: Convert to fraction form
    104,574.19/156,844.81 = 86,918.22/x
  3. Step 3: Cross multiply
    104,574.19x = 156,844.81 × 86,918.22
  4. Step 4: Simplify right side
    104,574.19x = 13,632,671,701.44
  5. Step 5: Solve for x
    x = 13,632,671,701.44/104,574.19
  6. Step 6: Final answer
    x = 130,363.64

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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.