Home / 358,120.80-537,214.86-105,401.43

Finding the Fourth Proportional to 358,120.80, 537,214.86 and 105,401.43

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Solution

The fourth proportional to 358,120.80, 537,214.86 and 105,401.43 is: 158,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,120.80 : 537,214.86 = 105,401.43 : x
  2. Step 2: Convert to fraction form
    358,120.80/537,214.86 = 105,401.43/x
  3. Step 3: Cross multiply
    358,120.80x = 537,214.86 × 105,401.43
  4. Step 4: Simplify right side
    358,120.80x = 56,623,214,461.25
  5. Step 5: Solve for x
    x = 56,623,214,461.25/358,120.80
  6. Step 6: Final answer
    x = 158,112.05

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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.