Home / 190,795.73-286,196.18-70,806.31

Finding the Fourth Proportional to 190,795.73, 286,196.18 and 70,806.31

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Solution

The fourth proportional to 190,795.73, 286,196.18 and 70,806.31 is: 106,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,795.73 : 286,196.18 = 70,806.31 : x
  2. Step 2: Convert to fraction form
    190,795.73/286,196.18 = 70,806.31/x
  3. Step 3: Cross multiply
    190,795.73x = 286,196.18 × 70,806.31
  4. Step 4: Simplify right side
    190,795.73x = 20,264,495,441.90
  5. Step 5: Solve for x
    x = 20,264,495,441.90/190,795.73
  6. Step 6: Final answer
    x = 106,210.42

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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.