Home / 268,129.08-370,016.37-160,699.05

Finding the Fourth Proportional to 268,129.08, 370,016.37 and 160,699.05

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Solution

The fourth proportional to 268,129.08, 370,016.37 and 160,699.05 is: 221,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,129.08 : 370,016.37 = 160,699.05 : x
  2. Step 2: Convert to fraction form
    268,129.08/370,016.37 = 160,699.05/x
  3. Step 3: Cross multiply
    268,129.08x = 370,016.37 × 160,699.05
  4. Step 4: Simplify right side
    268,129.08x = 59,461,279,143.45
  5. Step 5: Solve for x
    x = 59,461,279,143.45/268,129.08
  6. Step 6: Final answer
    x = 221,763.63

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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.