Home / 190,528.89-262,870.02-109,945.83

Finding the Fourth Proportional to 190,528.89, 262,870.02 and 109,945.83

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Solution

The fourth proportional to 190,528.89, 262,870.02 and 109,945.83 is: 151,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,528.89 : 262,870.02 = 109,945.83 : x
  2. Step 2: Convert to fraction form
    190,528.89/262,870.02 = 109,945.83/x
  3. Step 3: Cross multiply
    190,528.89x = 262,870.02 × 109,945.83
  4. Step 4: Simplify right side
    190,528.89x = 28,901,462,531.02
  5. Step 5: Solve for x
    x = 28,901,462,531.02/190,528.89
  6. Step 6: Final answer
    x = 151,690.71

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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.