Home / 116,078.21-174,117.32-76,626.10

Finding the Fourth Proportional to 116,078.21, 174,117.32 and 76,626.10

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Solution

The fourth proportional to 116,078.21, 174,117.32 and 76,626.10 is: 114,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,078.21 : 174,117.32 = 76,626.10 : x
  2. Step 2: Convert to fraction form
    116,078.21/174,117.32 = 76,626.10/x
  3. Step 3: Cross multiply
    116,078.21x = 174,117.32 × 76,626.10
  4. Step 4: Simplify right side
    116,078.21x = 13,341,931,511.43
  5. Step 5: Solve for x
    x = 13,341,931,511.43/116,078.21
  6. Step 6: Final answer
    x = 114,939.15

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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.