Home / 185,646.90-256,185.86-100,762.14

Finding the Fourth Proportional to 185,646.90, 256,185.86 and 100,762.14

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Solution

The fourth proportional to 185,646.90, 256,185.86 and 100,762.14 is: 139,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,646.90 : 256,185.86 = 100,762.14 : x
  2. Step 2: Convert to fraction form
    185,646.90/256,185.86 = 100,762.14/x
  3. Step 3: Cross multiply
    185,646.90x = 256,185.86 × 100,762.14
  4. Step 4: Simplify right side
    185,646.90x = 25,813,835,491.34
  5. Step 5: Solve for x
    x = 25,813,835,491.34/185,646.90
  6. Step 6: Final answer
    x = 139,048.03

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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.