Home / 445,440.60-668,070.18-164,891.16

Finding the Fourth Proportional to 445,440.60, 668,070.18 and 164,891.16

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Solution

The fourth proportional to 445,440.60, 668,070.18 and 164,891.16 is: 247,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,440.60 : 668,070.18 = 164,891.16 : x
  2. Step 2: Convert to fraction form
    445,440.60/668,070.18 = 164,891.16/x
  3. Step 3: Cross multiply
    445,440.60x = 668,070.18 × 164,891.16
  4. Step 4: Simplify right side
    445,440.60x = 110,158,866,941.61
  5. Step 5: Solve for x
    x = 110,158,866,941.61/445,440.60
  6. Step 6: Final answer
    x = 247,303.16

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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.