Home / 291,210.08-401,803.44-163,839.20

Finding the Fourth Proportional to 291,210.08, 401,803.44 and 163,839.20

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Solution

The fourth proportional to 291,210.08, 401,803.44 and 163,839.20 is: 226,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,210.08 : 401,803.44 = 163,839.20 : x
  2. Step 2: Convert to fraction form
    291,210.08/401,803.44 = 163,839.20/x
  3. Step 3: Cross multiply
    291,210.08x = 401,803.44 × 163,839.20
  4. Step 4: Simplify right side
    291,210.08x = 65,831,154,166.85
  5. Step 5: Solve for x
    x = 65,831,154,166.85/291,210.08
  6. Step 6: Final answer
    x = 226,060.70

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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.