Home / 185,955.11-256,619.75-101,072.38

Finding the Fourth Proportional to 185,955.11, 256,619.75 and 101,072.38

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Solution

The fourth proportional to 185,955.11, 256,619.75 and 101,072.38 is: 139,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,955.11 : 256,619.75 = 101,072.38 : x
  2. Step 2: Convert to fraction form
    185,955.11/256,619.75 = 101,072.38/x
  3. Step 3: Cross multiply
    185,955.11x = 256,619.75 × 101,072.38
  4. Step 4: Simplify right side
    185,955.11x = 25,937,168,887.51
  5. Step 5: Solve for x
    x = 25,937,168,887.51/185,955.11
  6. Step 6: Final answer
    x = 139,480.81

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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.