Home / 190,168.04-262,411.98-109,579.56

Finding the Fourth Proportional to 190,168.04, 262,411.98 and 109,579.56

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Solution

The fourth proportional to 190,168.04, 262,411.98 and 109,579.56 is: 151,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,168.04 : 262,411.98 = 109,579.56 : x
  2. Step 2: Convert to fraction form
    190,168.04/262,411.98 = 109,579.56/x
  3. Step 3: Cross multiply
    190,168.04x = 262,411.98 × 109,579.56
  4. Step 4: Simplify right side
    190,168.04x = 28,754,989,307.13
  5. Step 5: Solve for x
    x = 28,754,989,307.13/190,168.04
  6. Step 6: Final answer
    x = 151,208.32

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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.