Home / 185,622.48-256,159.08-100,739.52

Finding the Fourth Proportional to 185,622.48, 256,159.08 and 100,739.52

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Solution

The fourth proportional to 185,622.48, 256,159.08 and 100,739.52 is: 139,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,622.48 : 256,159.08 = 100,739.52 : x
  2. Step 2: Convert to fraction form
    185,622.48/256,159.08 = 100,739.52/x
  3. Step 3: Cross multiply
    185,622.48x = 256,159.08 × 100,739.52
  4. Step 4: Simplify right side
    185,622.48x = 25,805,342,762.84
  5. Step 5: Solve for x
    x = 25,805,342,762.84/185,622.48
  6. Step 6: Final answer
    x = 139,020.57

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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.