Home / 190,141.58-262,519.18-122,184.74

Finding the Fourth Proportional to 190,141.58, 262,519.18 and 122,184.74

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Solution

The fourth proportional to 190,141.58, 262,519.18 and 122,184.74 is: 168,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,141.58 : 262,519.18 = 122,184.74 : x
  2. Step 2: Convert to fraction form
    190,141.58/262,519.18 = 122,184.74/x
  3. Step 3: Cross multiply
    190,141.58x = 262,519.18 × 122,184.74
  4. Step 4: Simplify right side
    190,141.58x = 32,075,837,753.31
  5. Step 5: Solve for x
    x = 32,075,837,753.31/190,141.58
  6. Step 6: Final answer
    x = 168,694.49

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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.