Home / 192,830.93-266,075.02-121,160.20

Finding the Fourth Proportional to 192,830.93, 266,075.02 and 121,160.20

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Solution

The fourth proportional to 192,830.93, 266,075.02 and 121,160.20 is: 167,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830.93 : 266,075.02 = 121,160.20 : x
  2. Step 2: Convert to fraction form
    192,830.93/266,075.02 = 121,160.20/x
  3. Step 3: Cross multiply
    192,830.93x = 266,075.02 × 121,160.20
  4. Step 4: Simplify right side
    192,830.93x = 32,237,702,638.20
  5. Step 5: Solve for x
    x = 32,237,702,638.20/192,830.93
  6. Step 6: Final answer
    x = 167,181.18

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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.