Home / 142,878.13-214,340.88-48,116.33

Finding the Fourth Proportional to 142,878.13, 214,340.88 and 48,116.33

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Solution

The fourth proportional to 142,878.13, 214,340.88 and 48,116.33 is: 72,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878.13 : 214,340.88 = 48,116.33 : x
  2. Step 2: Convert to fraction form
    142,878.13/214,340.88 = 48,116.33/x
  3. Step 3: Cross multiply
    142,878.13x = 214,340.88 × 48,116.33
  4. Step 4: Simplify right side
    142,878.13x = 10,313,296,427.08
  5. Step 5: Solve for x
    x = 10,313,296,427.08/142,878.13
  6. Step 6: Final answer
    x = 72,182.47

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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.