Home / 104,744.32-157,116.48-86,237.44

Finding the Fourth Proportional to 104,744.32, 157,116.48 and 86,237.44

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Solution

The fourth proportional to 104,744.32, 157,116.48 and 86,237.44 is: 129,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,744.32 : 157,116.48 = 86,237.44 : x
  2. Step 2: Convert to fraction form
    104,744.32/157,116.48 = 86,237.44/x
  3. Step 3: Cross multiply
    104,744.32x = 157,116.48 × 86,237.44
  4. Step 4: Simplify right side
    104,744.32x = 13,549,323,017.01
  5. Step 5: Solve for x
    x = 13,549,323,017.01/104,744.32
  6. Step 6: Final answer
    x = 129,356.16

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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.