Home / 351,728.16-485,385.30-190,583.16

Finding the Fourth Proportional to 351,728.16, 485,385.30 and 190,583.16

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Solution

The fourth proportional to 351,728.16, 485,385.30 and 190,583.16 is: 263,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,728.16 : 485,385.30 = 190,583.16 : x
  2. Step 2: Convert to fraction form
    351,728.16/485,385.30 = 190,583.16/x
  3. Step 3: Cross multiply
    351,728.16x = 485,385.30 × 190,583.16
  4. Step 4: Simplify right side
    351,728.16x = 92,506,264,291.55
  5. Step 5: Solve for x
    x = 92,506,264,291.55/351,728.16
  6. Step 6: Final answer
    x = 263,005.00

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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.