Home / 261,241.68-360,588.03-153,873.60

Finding the Fourth Proportional to 261,241.68, 360,588.03 and 153,873.60

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Solution

The fourth proportional to 261,241.68, 360,588.03 and 153,873.60 is: 212,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,241.68 : 360,588.03 = 153,873.60 : x
  2. Step 2: Convert to fraction form
    261,241.68/360,588.03 = 153,873.60/x
  3. Step 3: Cross multiply
    261,241.68x = 360,588.03 × 153,873.60
  4. Step 4: Simplify right side
    261,241.68x = 55,484,978,293.01
  5. Step 5: Solve for x
    x = 55,484,978,293.01/261,241.68
  6. Step 6: Final answer
    x = 212,389.46

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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.