Home / 127,307.13-175,610.77-79,477.44

Finding the Fourth Proportional to 127,307.13, 175,610.77 and 79,477.44

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Solution

The fourth proportional to 127,307.13, 175,610.77 and 79,477.44 is: 109,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.13 : 175,610.77 = 79,477.44 : x
  2. Step 2: Convert to fraction form
    127,307.13/175,610.77 = 79,477.44/x
  3. Step 3: Cross multiply
    127,307.13x = 175,610.77 × 79,477.44
  4. Step 4: Simplify right side
    127,307.13x = 13,957,094,237.34
  5. Step 5: Solve for x
    x = 13,957,094,237.34/127,307.13
  6. Step 6: Final answer
    x = 109,633.25

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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.