Home / 358,571.15-537,731.36-105,784.53

Finding the Fourth Proportional to 358,571.15, 537,731.36 and 105,784.53

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Solution

The fourth proportional to 358,571.15, 537,731.36 and 105,784.53 is: 158,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571.15 : 537,731.36 = 105,784.53 : x
  2. Step 2: Convert to fraction form
    358,571.15/537,731.36 = 105,784.53/x
  3. Step 3: Cross multiply
    358,571.15x = 537,731.36 × 105,784.53
  4. Step 4: Simplify right side
    358,571.15x = 56,883,660,059.88
  5. Step 5: Solve for x
    x = 56,883,660,059.88/358,571.15
  6. Step 6: Final answer
    x = 158,639.81

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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.