Home / 190,075.41-285,192.36-83,404.25

Finding the Fourth Proportional to 190,075.41, 285,192.36 and 83,404.25

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Solution

The fourth proportional to 190,075.41, 285,192.36 and 83,404.25 is: 125,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,075.41 : 285,192.36 = 83,404.25 : x
  2. Step 2: Convert to fraction form
    190,075.41/285,192.36 = 83,404.25/x
  3. Step 3: Cross multiply
    190,075.41x = 285,192.36 × 83,404.25
  4. Step 4: Simplify right side
    190,075.41x = 23,786,254,535.04
  5. Step 5: Solve for x
    x = 23,786,254,535.04/190,075.41
  6. Step 6: Final answer
    x = 125,141.15

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1.5x scale

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.