Home / 281,547.16-421,261.26-197,471.40

Finding the Fourth Proportional to 281,547.16, 421,261.26 and 197,471.40

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Solution

The fourth proportional to 281,547.16, 421,261.26 and 197,471.40 is: 295,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,547.16 : 421,261.26 = 197,471.40 : x
  2. Step 2: Convert to fraction form
    281,547.16/421,261.26 = 197,471.40/x
  3. Step 3: Cross multiply
    281,547.16x = 421,261.26 × 197,471.40
  4. Step 4: Simplify right side
    281,547.16x = 83,187,050,777.96
  5. Step 5: Solve for x
    x = 83,187,050,777.96/281,547.16
  6. Step 6: Final answer
    x = 295,464.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.