Home / 190,276.86-262,636.11-114,830.22

Finding the Fourth Proportional to 190,276.86, 262,636.11 and 114,830.22

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Solution

The fourth proportional to 190,276.86, 262,636.11 and 114,830.22 is: 158,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,276.86 : 262,636.11 = 114,830.22 : x
  2. Step 2: Convert to fraction form
    190,276.86/262,636.11 = 114,830.22/x
  3. Step 3: Cross multiply
    190,276.86x = 262,636.11 × 114,830.22
  4. Step 4: Simplify right side
    190,276.86x = 30,158,562,291.24
  5. Step 5: Solve for x
    x = 30,158,562,291.24/190,276.86
  6. Step 6: Final answer
    x = 158,498.32

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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.