Home / 190,070.20-262,295.22-105,185.08

Finding the Fourth Proportional to 190,070.20, 262,295.22 and 105,185.08

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Solution

The fourth proportional to 190,070.20, 262,295.22 and 105,185.08 is: 145,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,070.20 : 262,295.22 = 105,185.08 : x
  2. Step 2: Convert to fraction form
    190,070.20/262,295.22 = 105,185.08/x
  3. Step 3: Cross multiply
    190,070.20x = 262,295.22 × 105,185.08
  4. Step 4: Simplify right side
    190,070.20x = 27,589,543,699.32
  5. Step 5: Solve for x
    x = 27,589,543,699.32/190,070.20
  6. Step 6: Final answer
    x = 145,154.49

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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.