Home / 104,075.16-156,114-25,189.80

Finding the Fourth Proportional to 104,075.16, 156,114 and 25,189.80

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Solution

The fourth proportional to 104,075.16, 156,114 and 25,189.80 is: 37,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.16 : 156,114 = 25,189.80 : x
  2. Step 2: Convert to fraction form
    104,075.16/156,114 = 25,189.80/x
  3. Step 3: Cross multiply
    104,075.16x = 156,114 × 25,189.80
  4. Step 4: Simplify right side
    104,075.16x = 3,932,480,437.20
  5. Step 5: Solve for x
    x = 3,932,480,437.20/104,075.16
  6. Step 6: Final answer
    x = 37,785.00

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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.