Home / 185,557.27-256,069.05-100,674.34

Finding the Fourth Proportional to 185,557.27, 256,069.05 and 100,674.34

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Solution

The fourth proportional to 185,557.27, 256,069.05 and 100,674.34 is: 138,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,557.27 : 256,069.05 = 100,674.34 : x
  2. Step 2: Convert to fraction form
    185,557.27/256,069.05 = 100,674.34/x
  3. Step 3: Cross multiply
    185,557.27x = 256,069.05 × 100,674.34
  4. Step 4: Simplify right side
    185,557.27x = 25,779,582,603.18
  5. Step 5: Solve for x
    x = 25,779,582,603.18/185,557.27
  6. Step 6: Final answer
    x = 138,930.60

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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.