Home / 121,372.21-182,018.95-46,488.37

Finding the Fourth Proportional to 121,372.21, 182,018.95 and 46,488.37

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Solution

The fourth proportional to 121,372.21, 182,018.95 and 46,488.37 is: 69,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,372.21 : 182,018.95 = 46,488.37 : x
  2. Step 2: Convert to fraction form
    121,372.21/182,018.95 = 46,488.37/x
  3. Step 3: Cross multiply
    121,372.21x = 182,018.95 × 46,488.37
  4. Step 4: Simplify right side
    121,372.21x = 8,461,764,294.61
  5. Step 5: Solve for x
    x = 8,461,764,294.61/121,372.21
  6. Step 6: Final answer
    x = 69,717.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.