Home / 142,032.20-196,075.50-88,334.54

Finding the Fourth Proportional to 142,032.20, 196,075.50 and 88,334.54

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Solution

The fourth proportional to 142,032.20, 196,075.50 and 88,334.54 is: 121,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032.20 : 196,075.50 = 88,334.54 : x
  2. Step 2: Convert to fraction form
    142,032.20/196,075.50 = 88,334.54/x
  3. Step 3: Cross multiply
    142,032.20x = 196,075.50 × 88,334.54
  4. Step 4: Simplify right side
    142,032.20x = 17,320,239,097.77
  5. Step 5: Solve for x
    x = 17,320,239,097.77/142,032.20
  6. Step 6: Final answer
    x = 121,945.86

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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.