Home / 233,075.24-321,641.50-129,707.68

Finding the Fourth Proportional to 233,075.24, 321,641.50 and 129,707.68

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Solution

The fourth proportional to 233,075.24, 321,641.50 and 129,707.68 is: 178,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,075.24 : 321,641.50 = 129,707.68 : x
  2. Step 2: Convert to fraction form
    233,075.24/321,641.50 = 129,707.68/x
  3. Step 3: Cross multiply
    233,075.24x = 321,641.50 × 129,707.68
  4. Step 4: Simplify right side
    233,075.24x = 41,719,372,756.72
  5. Step 5: Solve for x
    x = 41,719,372,756.72/233,075.24
  6. Step 6: Final answer
    x = 178,995.30

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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.