Home / 405,333.04-607,671.60-168,853.36

Finding the Fourth Proportional to 405,333.04, 607,671.60 and 168,853.36

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Solution

The fourth proportional to 405,333.04, 607,671.60 and 168,853.36 is: 253,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,333.04 : 607,671.60 = 168,853.36 : x
  2. Step 2: Convert to fraction form
    405,333.04/607,671.60 = 168,853.36/x
  3. Step 3: Cross multiply
    405,333.04x = 607,671.60 × 168,853.36
  4. Step 4: Simplify right side
    405,333.04x = 102,607,391,436.58
  5. Step 5: Solve for x
    x = 102,607,391,436.58/405,333.04
  6. Step 6: Final answer
    x = 253,143.42

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1.5x scale

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.