Home / 190,854.10-286,281.15-66,195.10

Finding the Fourth Proportional to 190,854.10, 286,281.15 and 66,195.10

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Solution

The fourth proportional to 190,854.10, 286,281.15 and 66,195.10 is: 99,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,854.10 : 286,281.15 = 66,195.10 : x
  2. Step 2: Convert to fraction form
    190,854.10/286,281.15 = 66,195.10/x
  3. Step 3: Cross multiply
    190,854.10x = 286,281.15 × 66,195.10
  4. Step 4: Simplify right side
    190,854.10x = 18,950,409,352.37
  5. Step 5: Solve for x
    x = 18,950,409,352.37/190,854.10
  6. Step 6: Final answer
    x = 99,292.65

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1.5x scale

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.