Home / 120,566.16-166,262.97-111,030.84

Finding the Fourth Proportional to 120,566.16, 166,262.97 and 111,030.84

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Solution

The fourth proportional to 120,566.16, 166,262.97 and 111,030.84 is: 153,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,566.16 : 166,262.97 = 111,030.84 : x
  2. Step 2: Convert to fraction form
    120,566.16/166,262.97 = 111,030.84/x
  3. Step 3: Cross multiply
    120,566.16x = 166,262.97 × 111,030.84
  4. Step 4: Simplify right side
    120,566.16x = 18,460,317,219.99
  5. Step 5: Solve for x
    x = 18,460,317,219.99/120,566.16
  6. Step 6: Final answer
    x = 153,113.59

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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.