Home / 146,158.02-201,698.10-79,090.02

Finding the Fourth Proportional to 146,158.02, 201,698.10 and 79,090.02

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Solution

The fourth proportional to 146,158.02, 201,698.10 and 79,090.02 is: 109,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,158.02 : 201,698.10 = 79,090.02 : x
  2. Step 2: Convert to fraction form
    146,158.02/201,698.10 = 79,090.02/x
  3. Step 3: Cross multiply
    146,158.02x = 201,698.10 × 79,090.02
  4. Step 4: Simplify right side
    146,158.02x = 15,952,306,762.96
  5. Step 5: Solve for x
    x = 15,952,306,762.96/146,158.02
  6. Step 6: Final answer
    x = 109,144.25

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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.