Home / 190,904.10-286,356.15-186,530.10

Finding the Fourth Proportional to 190,904.10, 286,356.15 and 186,530.10

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Solution

The fourth proportional to 190,904.10, 286,356.15 and 186,530.10 is: 279,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.10 : 286,356.15 = 186,530.10 : x
  2. Step 2: Convert to fraction form
    190,904.10/286,356.15 = 186,530.10/x
  3. Step 3: Cross multiply
    190,904.10x = 286,356.15 × 186,530.10
  4. Step 4: Simplify right side
    190,904.10x = 53,414,041,295.12
  5. Step 5: Solve for x
    x = 53,414,041,295.12/190,904.10
  6. Step 6: Final answer
    x = 279,795.15

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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.