Home / 112,884.02-169,354.19-79,668.97

Finding the Fourth Proportional to 112,884.02, 169,354.19 and 79,668.97

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Solution

The fourth proportional to 112,884.02, 169,354.19 and 79,668.97 is: 119,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,884.02 : 169,354.19 = 79,668.97 : x
  2. Step 2: Convert to fraction form
    112,884.02/169,354.19 = 79,668.97/x
  3. Step 3: Cross multiply
    112,884.02x = 169,354.19 × 79,668.97
  4. Step 4: Simplify right side
    112,884.02x = 13,492,272,637.37
  5. Step 5: Solve for x
    x = 13,492,272,637.37/112,884.02
  6. Step 6: Final answer
    x = 119,523.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.