Home / 198,256.16-272,902.05-171,118.34

Finding the Fourth Proportional to 198,256.16, 272,902.05 and 171,118.34

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Solution

The fourth proportional to 198,256.16, 272,902.05 and 171,118.34 is: 235,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,256.16 : 272,902.05 = 171,118.34 : x
  2. Step 2: Convert to fraction form
    198,256.16/272,902.05 = 171,118.34/x
  3. Step 3: Cross multiply
    198,256.16x = 272,902.05 × 171,118.34
  4. Step 4: Simplify right side
    198,256.16x = 46,698,547,453.81
  5. Step 5: Solve for x
    x = 46,698,547,453.81/198,256.16
  6. Step 6: Final answer
    x = 235,546.51

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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.