Home / 105,460.08-158,190.78-43,130.58

Finding the Fourth Proportional to 105,460.08, 158,190.78 and 43,130.58

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Solution

The fourth proportional to 105,460.08, 158,190.78 and 43,130.58 is: 64,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,460.08 : 158,190.78 = 43,130.58 : x
  2. Step 2: Convert to fraction form
    105,460.08/158,190.78 = 43,130.58/x
  3. Step 3: Cross multiply
    105,460.08x = 158,190.78 × 43,130.58
  4. Step 4: Simplify right side
    105,460.08x = 6,822,860,092.05
  5. Step 5: Solve for x
    x = 6,822,860,092.05/105,460.08
  6. Step 6: Final answer
    x = 64,696.14

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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.