Home / 140,075.06-193,312.71-79,651.32

Finding the Fourth Proportional to 140,075.06, 193,312.71 and 79,651.32

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Solution

The fourth proportional to 140,075.06, 193,312.71 and 79,651.32 is: 109,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.06 : 193,312.71 = 79,651.32 : x
  2. Step 2: Convert to fraction form
    140,075.06/193,312.71 = 79,651.32/x
  3. Step 3: Cross multiply
    140,075.06x = 193,312.71 × 79,651.32
  4. Step 4: Simplify right side
    140,075.06x = 15,397,612,524.28
  5. Step 5: Solve for x
    x = 15,397,612,524.28/140,075.06
  6. Step 6: Final answer
    x = 109,924.01

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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.