Home / 190,539.65-262,925.77-109,993.12

Finding the Fourth Proportional to 190,539.65, 262,925.77 and 109,993.12

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Solution

The fourth proportional to 190,539.65, 262,925.77 and 109,993.12 is: 151,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,539.65 : 262,925.77 = 109,993.12 : x
  2. Step 2: Convert to fraction form
    190,539.65/262,925.77 = 109,993.12/x
  3. Step 3: Cross multiply
    190,539.65x = 262,925.77 × 109,993.12
  4. Step 4: Simplify right side
    190,539.65x = 28,920,025,220.74
  5. Step 5: Solve for x
    x = 28,920,025,220.74/190,539.65
  6. Step 6: Final answer
    x = 151,779.57

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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.