Home / 402,111.40-603,167.10-106,623.40

Finding the Fourth Proportional to 402,111.40, 603,167.10 and 106,623.40

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Solution

The fourth proportional to 402,111.40, 603,167.10 and 106,623.40 is: 159,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,111.40 : 603,167.10 = 106,623.40 : x
  2. Step 2: Convert to fraction form
    402,111.40/603,167.10 = 106,623.40/x
  3. Step 3: Cross multiply
    402,111.40x = 603,167.10 × 106,623.40
  4. Step 4: Simplify right side
    402,111.40x = 64,311,726,970.14
  5. Step 5: Solve for x
    x = 64,311,726,970.14/402,111.40
  6. Step 6: Final answer
    x = 159,935.10

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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.