Home / 261,918.57-361,438.02-160,114.53

Finding the Fourth Proportional to 261,918.57, 361,438.02 and 160,114.53

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Solution

The fourth proportional to 261,918.57, 361,438.02 and 160,114.53 is: 220,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,918.57 : 361,438.02 = 160,114.53 : x
  2. Step 2: Convert to fraction form
    261,918.57/361,438.02 = 160,114.53/x
  3. Step 3: Cross multiply
    261,918.57x = 361,438.02 × 160,114.53
  4. Step 4: Simplify right side
    261,918.57x = 57,871,478,696.43
  5. Step 5: Solve for x
    x = 57,871,478,696.43/261,918.57
  6. Step 6: Final answer
    x = 220,952.18

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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.