Home / 245,161.19-337,540.35-209,206.91

Finding the Fourth Proportional to 245,161.19, 337,540.35 and 209,206.91

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Solution

The fourth proportional to 245,161.19, 337,540.35 and 209,206.91 is: 288,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,161.19 : 337,540.35 = 209,206.91 : x
  2. Step 2: Convert to fraction form
    245,161.19/337,540.35 = 209,206.91/x
  3. Step 3: Cross multiply
    245,161.19x = 337,540.35 × 209,206.91
  4. Step 4: Simplify right side
    245,161.19x = 70,615,771,936.12
  5. Step 5: Solve for x
    x = 70,615,771,936.12/245,161.19
  6. Step 6: Final answer
    x = 288,038.14

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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.