Home / 317,186.10-437,737.05-209,567.34

Finding the Fourth Proportional to 317,186.10, 437,737.05 and 209,567.34

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Solution

The fourth proportional to 317,186.10, 437,737.05 and 209,567.34 is: 289,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,186.10 : 437,737.05 = 209,567.34 : x
  2. Step 2: Convert to fraction form
    317,186.10/437,737.05 = 209,567.34/x
  3. Step 3: Cross multiply
    317,186.10x = 437,737.05 × 209,567.34
  4. Step 4: Simplify right side
    317,186.10x = 91,735,389,187.95
  5. Step 5: Solve for x
    x = 91,735,389,187.95/317,186.10
  6. Step 6: Final answer
    x = 289,216.30

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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.