Home / 233,011.33-321,567.23-131,068.87

Finding the Fourth Proportional to 233,011.33, 321,567.23 and 131,068.87

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Solution

The fourth proportional to 233,011.33, 321,567.23 and 131,068.87 is: 180,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,011.33 : 321,567.23 = 131,068.87 : x
  2. Step 2: Convert to fraction form
    233,011.33/321,567.23 = 131,068.87/x
  3. Step 3: Cross multiply
    233,011.33x = 321,567.23 × 131,068.87
  4. Step 4: Simplify right side
    233,011.33x = 42,147,453,465.13
  5. Step 5: Solve for x
    x = 42,147,453,465.13/233,011.33
  6. Step 6: Final answer
    x = 180,881.56

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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.