Home / 351,151.84-484,588.20-190,007.20

Finding the Fourth Proportional to 351,151.84, 484,588.20 and 190,007.20

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Solution

The fourth proportional to 351,151.84, 484,588.20 and 190,007.20 is: 262,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,151.84 : 484,588.20 = 190,007.20 : x
  2. Step 2: Convert to fraction form
    351,151.84/484,588.20 = 190,007.20/x
  3. Step 3: Cross multiply
    351,151.84x = 484,588.20 × 190,007.20
  4. Step 4: Simplify right side
    351,151.84x = 92,075,247,035.04
  5. Step 5: Solve for x
    x = 92,075,247,035.04/351,151.84
  6. Step 6: Final answer
    x = 262,209.21

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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.