Home / 434,543.90-651,815.85-154,024.70

Finding the Fourth Proportional to 434,543.90, 651,815.85 and 154,024.70

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Solution

The fourth proportional to 434,543.90, 651,815.85 and 154,024.70 is: 231,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,543.90 : 651,815.85 = 154,024.70 : x
  2. Step 2: Convert to fraction form
    434,543.90/651,815.85 = 154,024.70/x
  3. Step 3: Cross multiply
    434,543.90x = 651,815.85 × 154,024.70
  4. Step 4: Simplify right side
    434,543.90x = 100,395,740,751.50
  5. Step 5: Solve for x
    x = 100,395,740,751.50/434,543.90
  6. Step 6: Final answer
    x = 231,037.05

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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.