Home / 351,693.12-485,337.52-190,547.36

Finding the Fourth Proportional to 351,693.12, 485,337.52 and 190,547.36

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Solution

The fourth proportional to 351,693.12, 485,337.52 and 190,547.36 is: 262,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,693.12 : 485,337.52 = 190,547.36 : x
  2. Step 2: Convert to fraction form
    351,693.12/485,337.52 = 190,547.36/x
  3. Step 3: Cross multiply
    351,693.12x = 485,337.52 × 190,547.36
  4. Step 4: Simplify right side
    351,693.12x = 92,479,783,144.95
  5. Step 5: Solve for x
    x = 92,479,783,144.95/351,693.12
  6. Step 6: Final answer
    x = 262,955.91

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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.