Home / 155,457.33-214,512.05-98,075.01

Finding the Fourth Proportional to 155,457.33, 214,512.05 and 98,075.01

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Solution

The fourth proportional to 155,457.33, 214,512.05 and 98,075.01 is: 135,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,457.33 : 214,512.05 = 98,075.01 : x
  2. Step 2: Convert to fraction form
    155,457.33/214,512.05 = 98,075.01/x
  3. Step 3: Cross multiply
    155,457.33x = 214,512.05 × 98,075.01
  4. Step 4: Simplify right side
    155,457.33x = 21,038,270,958.50
  5. Step 5: Solve for x
    x = 21,038,270,958.50/155,457.33
  6. Step 6: Final answer
    x = 135,331.48

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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.