Home / 331,857.30-498,045.15-154,386.30

Finding the Fourth Proportional to 331,857.30, 498,045.15 and 154,386.30

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Solution

The fourth proportional to 331,857.30, 498,045.15 and 154,386.30 is: 231,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,857.30 : 498,045.15 = 154,386.30 : x
  2. Step 2: Convert to fraction form
    331,857.30/498,045.15 = 154,386.30/x
  3. Step 3: Cross multiply
    331,857.30x = 498,045.15 × 154,386.30
  4. Step 4: Simplify right side
    331,857.30x = 76,891,347,941.45
  5. Step 5: Solve for x
    x = 76,891,347,941.45/331,857.30
  6. Step 6: Final answer
    x = 231,700.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.