Home / 185,146.07-255,501.06-100,263.11

Finding the Fourth Proportional to 185,146.07, 255,501.06 and 100,263.11

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Solution

The fourth proportional to 185,146.07, 255,501.06 and 100,263.11 is: 138,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.07 : 255,501.06 = 100,263.11 : x
  2. Step 2: Convert to fraction form
    185,146.07/255,501.06 = 100,263.11/x
  3. Step 3: Cross multiply
    185,146.07x = 255,501.06 × 100,263.11
  4. Step 4: Simplify right side
    185,146.07x = 25,617,329,857.05
  5. Step 5: Solve for x
    x = 25,617,329,857.05/185,146.07
  6. Step 6: Final answer
    x = 138,362.81

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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.