Home / 185,779.13-256,376.50-100,896.19

Finding the Fourth Proportional to 185,779.13, 256,376.50 and 100,896.19

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Solution

The fourth proportional to 185,779.13, 256,376.50 and 100,896.19 is: 139,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,779.13 : 256,376.50 = 100,896.19 : x
  2. Step 2: Convert to fraction form
    185,779.13/256,376.50 = 100,896.19/x
  3. Step 3: Cross multiply
    185,779.13x = 256,376.50 × 100,896.19
  4. Step 4: Simplify right side
    185,779.13x = 25,867,412,055.54
  5. Step 5: Solve for x
    x = 25,867,412,055.54/185,779.13
  6. Step 6: Final answer
    x = 139,237.45

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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.