Home / 105,867.40-158,801.10-46,640.20

Finding the Fourth Proportional to 105,867.40, 158,801.10 and 46,640.20

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Solution

The fourth proportional to 105,867.40, 158,801.10 and 46,640.20 is: 69,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,867.40 : 158,801.10 = 46,640.20 : x
  2. Step 2: Convert to fraction form
    105,867.40/158,801.10 = 46,640.20/x
  3. Step 3: Cross multiply
    105,867.40x = 158,801.10 × 46,640.20
  4. Step 4: Simplify right side
    105,867.40x = 7,406,515,064.22
  5. Step 5: Solve for x
    x = 7,406,515,064.22/105,867.40
  6. Step 6: Final answer
    x = 69,960.30

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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.