Home / 142,075.93-196,090.17-84,718.96

Finding the Fourth Proportional to 142,075.93, 196,090.17 and 84,718.96

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Solution

The fourth proportional to 142,075.93, 196,090.17 and 84,718.96 is: 116,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,075.93 : 196,090.17 = 84,718.96 : x
  2. Step 2: Convert to fraction form
    142,075.93/196,090.17 = 84,718.96/x
  3. Step 3: Cross multiply
    142,075.93x = 196,090.17 × 84,718.96
  4. Step 4: Simplify right side
    142,075.93x = 16,612,555,268.62
  5. Step 5: Solve for x
    x = 16,612,555,268.62/142,075.93
  6. Step 6: Final answer
    x = 116,927.30

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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.