Home / 210,060.12-289,890.66-119,431.32

Finding the Fourth Proportional to 210,060.12, 289,890.66 and 119,431.32

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Solution

The fourth proportional to 210,060.12, 289,890.66 and 119,431.32 is: 164,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,060.12 : 289,890.66 = 119,431.32 : x
  2. Step 2: Convert to fraction form
    210,060.12/289,890.66 = 119,431.32/x
  3. Step 3: Cross multiply
    210,060.12x = 289,890.66 × 119,431.32
  4. Step 4: Simplify right side
    210,060.12x = 34,622,024,179.47
  5. Step 5: Solve for x
    x = 34,622,024,179.47/210,060.12
  6. Step 6: Final answer
    x = 164,819.60

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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.