Home / 186,163.07-256,906.15-101,280.74

Finding the Fourth Proportional to 186,163.07, 256,906.15 and 101,280.74

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Solution

The fourth proportional to 186,163.07, 256,906.15 and 101,280.74 is: 139,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,163.07 : 256,906.15 = 101,280.74 : x
  2. Step 2: Convert to fraction form
    186,163.07/256,906.15 = 101,280.74/x
  3. Step 3: Cross multiply
    186,163.07x = 256,906.15 × 101,280.74
  4. Step 4: Simplify right side
    186,163.07x = 26,019,643,444.82
  5. Step 5: Solve for x
    x = 26,019,643,444.82/186,163.07
  6. Step 6: Final answer
    x = 139,768.02

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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.