Home / 185,890.02-256,529.09-105,333.26

Finding the Fourth Proportional to 185,890.02, 256,529.09 and 105,333.26

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Solution

The fourth proportional to 185,890.02, 256,529.09 and 105,333.26 is: 145,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.02 : 256,529.09 = 105,333.26 : x
  2. Step 2: Convert to fraction form
    185,890.02/256,529.09 = 105,333.26/x
  3. Step 3: Cross multiply
    185,890.02x = 256,529.09 × 105,333.26
  4. Step 4: Simplify right side
    185,890.02x = 27,021,043,525.22
  5. Step 5: Solve for x
    x = 27,021,043,525.22/185,890.02
  6. Step 6: Final answer
    x = 145,360.38

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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.