Home / 142,023.99-196,064.13-88,326.32

Finding the Fourth Proportional to 142,023.99, 196,064.13 and 88,326.32

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Solution

The fourth proportional to 142,023.99, 196,064.13 and 88,326.32 is: 121,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,023.99 : 196,064.13 = 88,326.32 : x
  2. Step 2: Convert to fraction form
    142,023.99/196,064.13 = 88,326.32/x
  3. Step 3: Cross multiply
    142,023.99x = 196,064.13 × 88,326.32
  4. Step 4: Simplify right side
    142,023.99x = 17,317,622,106.58
  5. Step 5: Solve for x
    x = 17,317,622,106.58/142,023.99
  6. Step 6: Final answer
    x = 121,934.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.