Home / 226,402.02-312,433.20-124,428.42

Finding the Fourth Proportional to 226,402.02, 312,433.20 and 124,428.42

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Solution

The fourth proportional to 226,402.02, 312,433.20 and 124,428.42 is: 171,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,402.02 : 312,433.20 = 124,428.42 : x
  2. Step 2: Convert to fraction form
    226,402.02/312,433.20 = 124,428.42/x
  3. Step 3: Cross multiply
    226,402.02x = 312,433.20 × 124,428.42
  4. Step 4: Simplify right side
    226,402.02x = 38,875,569,431.54
  5. Step 5: Solve for x
    x = 38,875,569,431.54/226,402.02
  6. Step 6: Final answer
    x = 171,710.35

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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.