Home / 161,870.08-222,192.26-143,564.90

Finding the Fourth Proportional to 161,870.08, 222,192.26 and 143,564.90

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Solution

The fourth proportional to 161,870.08, 222,192.26 and 143,564.90 is: 197,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,870.08 : 222,192.26 = 143,564.90 : x
  2. Step 2: Convert to fraction form
    161,870.08/222,192.26 = 143,564.90/x
  3. Step 3: Cross multiply
    161,870.08x = 222,192.26 × 143,564.90
  4. Step 4: Simplify right side
    161,870.08x = 31,899,009,587.67
  5. Step 5: Solve for x
    x = 31,899,009,587.67/161,870.08
  6. Step 6: Final answer
    x = 197,065.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.