Home / 109,657.96-151,328.07-61,910.26

Finding the Fourth Proportional to 109,657.96, 151,328.07 and 61,910.26

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Solution

The fourth proportional to 109,657.96, 151,328.07 and 61,910.26 is: 85,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,657.96 : 151,328.07 = 61,910.26 : x
  2. Step 2: Convert to fraction form
    109,657.96/151,328.07 = 61,910.26/x
  3. Step 3: Cross multiply
    109,657.96x = 151,328.07 × 61,910.26
  4. Step 4: Simplify right side
    109,657.96x = 9,368,760,159.00
  5. Step 5: Solve for x
    x = 9,368,760,159.00/109,657.96
  6. Step 6: Final answer
    x = 85,436.21

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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.