Home / 208,317.30-312,038.55-173,325.30

Finding the Fourth Proportional to 208,317.30, 312,038.55 and 173,325.30

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Solution

The fourth proportional to 208,317.30, 312,038.55 and 173,325.30 is: 259,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,317.30 : 312,038.55 = 173,325.30 : x
  2. Step 2: Convert to fraction form
    208,317.30/312,038.55 = 173,325.30/x
  3. Step 3: Cross multiply
    208,317.30x = 312,038.55 × 173,325.30
  4. Step 4: Simplify right side
    208,317.30x = 54,084,175,290.32
  5. Step 5: Solve for x
    x = 54,084,175,290.32/208,317.30
  6. Step 6: Final answer
    x = 259,624.02

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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.