Home / 190,798.08-263,288.16-105,908.46

Finding the Fourth Proportional to 190,798.08, 263,288.16 and 105,908.46

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Solution

The fourth proportional to 190,798.08, 263,288.16 and 105,908.46 is: 146,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,798.08 : 263,288.16 = 105,908.46 : x
  2. Step 2: Convert to fraction form
    190,798.08/263,288.16 = 105,908.46/x
  3. Step 3: Cross multiply
    190,798.08x = 263,288.16 × 105,908.46
  4. Step 4: Simplify right side
    190,798.08x = 27,884,443,561.83
  5. Step 5: Solve for x
    x = 27,884,443,561.83/190,798.08
  6. Step 6: Final answer
    x = 146,146.35

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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.