Home / 122,829.03-169,503.75-69,114.15

Finding the Fourth Proportional to 122,829.03, 169,503.75 and 69,114.15

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Solution

The fourth proportional to 122,829.03, 169,503.75 and 69,114.15 is: 95,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,829.03 : 169,503.75 = 69,114.15 : x
  2. Step 2: Convert to fraction form
    122,829.03/169,503.75 = 69,114.15/x
  3. Step 3: Cross multiply
    122,829.03x = 169,503.75 × 69,114.15
  4. Step 4: Simplify right side
    122,829.03x = 11,715,107,603.06
  5. Step 5: Solve for x
    x = 11,715,107,603.06/122,829.03
  6. Step 6: Final answer
    x = 95,377.35

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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.