Home / 118,828.99-163,922.67-80,575.59

Finding the Fourth Proportional to 118,828.99, 163,922.67 and 80,575.59

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Solution

The fourth proportional to 118,828.99, 163,922.67 and 80,575.59 is: 111,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,828.99 : 163,922.67 = 80,575.59 : x
  2. Step 2: Convert to fraction form
    118,828.99/163,922.67 = 80,575.59/x
  3. Step 3: Cross multiply
    118,828.99x = 163,922.67 × 80,575.59
  4. Step 4: Simplify right side
    118,828.99x = 13,208,165,849.63
  5. Step 5: Solve for x
    x = 13,208,165,849.63/118,828.99
  6. Step 6: Final answer
    x = 111,152.72

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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.