Home / 311,041.03-466,539.63-121,465.78

Finding the Fourth Proportional to 311,041.03, 466,539.63 and 121,465.78

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Solution

The fourth proportional to 311,041.03, 466,539.63 and 121,465.78 is: 182,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,041.03 : 466,539.63 = 121,465.78 : x
  2. Step 2: Convert to fraction form
    311,041.03/466,539.63 = 121,465.78/x
  3. Step 3: Cross multiply
    311,041.03x = 466,539.63 × 121,465.78
  4. Step 4: Simplify right side
    311,041.03x = 56,668,600,058.86
  5. Step 5: Solve for x
    x = 56,668,600,058.86/311,041.03
  6. Step 6: Final answer
    x = 182,190.11

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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.