Home / 140,075.02-193,303.13-76,412.36

Finding the Fourth Proportional to 140,075.02, 193,303.13 and 76,412.36

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Solution

The fourth proportional to 140,075.02, 193,303.13 and 76,412.36 is: 105,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.02 : 193,303.13 = 76,412.36 : x
  2. Step 2: Convert to fraction form
    140,075.02/193,303.13 = 76,412.36/x
  3. Step 3: Cross multiply
    140,075.02x = 193,303.13 × 76,412.36
  4. Step 4: Simplify right side
    140,075.02x = 14,770,747,976.63
  5. Step 5: Solve for x
    x = 14,770,747,976.63/140,075.02
  6. Step 6: Final answer
    x = 105,448.84

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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.