Home / 190,908.10-286,362.15-112,176.10

Finding the Fourth Proportional to 190,908.10, 286,362.15 and 112,176.10

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Solution

The fourth proportional to 190,908.10, 286,362.15 and 112,176.10 is: 168,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,908.10 : 286,362.15 = 112,176.10 : x
  2. Step 2: Convert to fraction form
    190,908.10/286,362.15 = 112,176.10/x
  3. Step 3: Cross multiply
    190,908.10x = 286,362.15 × 112,176.10
  4. Step 4: Simplify right side
    190,908.10x = 32,122,989,174.62
  5. Step 5: Solve for x
    x = 32,122,989,174.62/190,908.10
  6. Step 6: Final answer
    x = 168,264.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.