Home / 185,890.12-256,527.86-101,007.18

Finding the Fourth Proportional to 185,890.12, 256,527.86 and 101,007.18

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Solution

The fourth proportional to 185,890.12, 256,527.86 and 101,007.18 is: 139,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.12 : 256,527.86 = 101,007.18 : x
  2. Step 2: Convert to fraction form
    185,890.12/256,527.86 = 101,007.18/x
  3. Step 3: Cross multiply
    185,890.12x = 256,527.86 × 101,007.18
  4. Step 4: Simplify right side
    185,890.12x = 25,911,155,982.55
  5. Step 5: Solve for x
    x = 25,911,155,982.55/185,890.12
  6. Step 6: Final answer
    x = 139,389.64

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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.