Home / 186,005.42-256,676.58-101,121.74

Finding the Fourth Proportional to 186,005.42, 256,676.58 and 101,121.74

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Solution

The fourth proportional to 186,005.42, 256,676.58 and 101,121.74 is: 139,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,005.42 : 256,676.58 = 101,121.74 : x
  2. Step 2: Convert to fraction form
    186,005.42/256,676.58 = 101,121.74/x
  3. Step 3: Cross multiply
    186,005.42x = 256,676.58 × 101,121.74
  4. Step 4: Simplify right side
    186,005.42x = 25,955,582,386.85
  5. Step 5: Solve for x
    x = 25,955,582,386.85/186,005.42
  6. Step 6: Final answer
    x = 139,542.08

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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.