Home / 185,913.78-256,563.06-101,030.84

Finding the Fourth Proportional to 185,913.78, 256,563.06 and 101,030.84

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Solution

The fourth proportional to 185,913.78, 256,563.06 and 101,030.84 is: 139,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,913.78 : 256,563.06 = 101,030.84 : x
  2. Step 2: Convert to fraction form
    185,913.78/256,563.06 = 101,030.84/x
  3. Step 3: Cross multiply
    185,913.78x = 256,563.06 × 101,030.84
  4. Step 4: Simplify right side
    185,913.78x = 25,920,782,776.67
  5. Step 5: Solve for x
    x = 25,920,782,776.67/185,913.78
  6. Step 6: Final answer
    x = 139,423.68

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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.