Home / 209,263.32-313,792.02-67,075.26

Finding the Fourth Proportional to 209,263.32, 313,792.02 and 67,075.26

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Solution

The fourth proportional to 209,263.32, 313,792.02 and 67,075.26 is: 100,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,263.32 : 313,792.02 = 67,075.26 : x
  2. Step 2: Convert to fraction form
    209,263.32/313,792.02 = 67,075.26/x
  3. Step 3: Cross multiply
    209,263.32x = 313,792.02 × 67,075.26
  4. Step 4: Simplify right side
    209,263.32x = 21,047,681,327.43
  5. Step 5: Solve for x
    x = 21,047,681,327.43/209,263.32
  6. Step 6: Final answer
    x = 100,579.89

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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.