Home / 124,210.32-171,409.16-67,621.56

Finding the Fourth Proportional to 124,210.32, 171,409.16 and 67,621.56

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Solution

The fourth proportional to 124,210.32, 171,409.16 and 67,621.56 is: 93,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,210.32 : 171,409.16 = 67,621.56 : x
  2. Step 2: Convert to fraction form
    124,210.32/171,409.16 = 67,621.56/x
  3. Step 3: Cross multiply
    124,210.32x = 171,409.16 × 67,621.56
  4. Step 4: Simplify right side
    124,210.32x = 11,590,954,797.49
  5. Step 5: Solve for x
    x = 11,590,954,797.49/124,210.32
  6. Step 6: Final answer
    x = 93,317.16

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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.