Home / 119,583.16-165,025.92-65,868.40

Finding the Fourth Proportional to 119,583.16, 165,025.92 and 65,868.40

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Solution

The fourth proportional to 119,583.16, 165,025.92 and 65,868.40 is: 90,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,583.16 : 165,025.92 = 65,868.40 : x
  2. Step 2: Convert to fraction form
    119,583.16/165,025.92 = 65,868.40/x
  3. Step 3: Cross multiply
    119,583.16x = 165,025.92 × 65,868.40
  4. Step 4: Simplify right side
    119,583.16x = 10,869,993,308.93
  5. Step 5: Solve for x
    x = 10,869,993,308.93/119,583.16
  6. Step 6: Final answer
    x = 90,899.03

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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.