Home / 124,816.54-172,246.08-68,228.32

Finding the Fourth Proportional to 124,816.54, 172,246.08 and 68,228.32

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Solution

The fourth proportional to 124,816.54, 172,246.08 and 68,228.32 is: 94,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816.54 : 172,246.08 = 68,228.32 : x
  2. Step 2: Convert to fraction form
    124,816.54/172,246.08 = 68,228.32/x
  3. Step 3: Cross multiply
    124,816.54x = 172,246.08 × 68,228.32
  4. Step 4: Simplify right side
    124,816.54x = 11,752,060,664.99
  5. Step 5: Solve for x
    x = 11,752,060,664.99/124,816.54
  6. Step 6: Final answer
    x = 94,154.67

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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.