Home / 179,621.12-247,931.52-104,188.16

Finding the Fourth Proportional to 179,621.12, 247,931.52 and 104,188.16

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Solution

The fourth proportional to 179,621.12, 247,931.52 and 104,188.16 is: 143,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.12 : 247,931.52 = 104,188.16 : x
  2. Step 2: Convert to fraction form
    179,621.12/247,931.52 = 104,188.16/x
  3. Step 3: Cross multiply
    179,621.12x = 247,931.52 × 104,188.16
  4. Step 4: Simplify right side
    179,621.12x = 25,831,528,874.80
  5. Step 5: Solve for x
    x = 25,831,528,874.80/179,621.12
  6. Step 6: Final answer
    x = 143,811.20

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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.