Home / 211,999.21-292,576.87-144,166.67

Finding the Fourth Proportional to 211,999.21, 292,576.87 and 144,166.67

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Solution

The fourth proportional to 211,999.21, 292,576.87 and 144,166.67 is: 198,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,999.21 : 292,576.87 = 144,166.67 : x
  2. Step 2: Convert to fraction form
    211,999.21/292,576.87 = 144,166.67/x
  3. Step 3: Cross multiply
    211,999.21x = 292,576.87 × 144,166.67
  4. Step 4: Simplify right side
    211,999.21x = 42,179,833,066.92
  5. Step 5: Solve for x
    x = 42,179,833,066.92/211,999.21
  6. Step 6: Final answer
    x = 198,962.22

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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.