Home / 121,518.75-182,359.13-46,700.67

Finding the Fourth Proportional to 121,518.75, 182,359.13 and 46,700.67

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Solution

The fourth proportional to 121,518.75, 182,359.13 and 46,700.67 is: 70,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,518.75 : 182,359.13 = 46,700.67 : x
  2. Step 2: Convert to fraction form
    121,518.75/182,359.13 = 46,700.67/x
  3. Step 3: Cross multiply
    121,518.75x = 182,359.13 × 46,700.67
  4. Step 4: Simplify right side
    121,518.75x = 8,516,293,318.11
  5. Step 5: Solve for x
    x = 8,516,293,318.11/121,518.75
  6. Step 6: Final answer
    x = 70,082.13

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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.