Home / 190,582.08-263,005.02-105,697.32

Finding the Fourth Proportional to 190,582.08, 263,005.02 and 105,697.32

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Solution

The fourth proportional to 190,582.08, 263,005.02 and 105,697.32 is: 145,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,582.08 : 263,005.02 = 105,697.32 : x
  2. Step 2: Convert to fraction form
    190,582.08/263,005.02 = 105,697.32/x
  3. Step 3: Cross multiply
    190,582.08x = 263,005.02 × 105,697.32
  4. Step 4: Simplify right side
    190,582.08x = 27,798,925,760.55
  5. Step 5: Solve for x
    x = 27,798,925,760.55/190,582.08
  6. Step 6: Final answer
    x = 145,863.27

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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.