Home / 145,964.13-218,944.88-46,124.34

Finding the Fourth Proportional to 145,964.13, 218,944.88 and 46,124.34

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Solution

The fourth proportional to 145,964.13, 218,944.88 and 46,124.34 is: 69,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,964.13 : 218,944.88 = 46,124.34 : x
  2. Step 2: Convert to fraction form
    145,964.13/218,944.88 = 46,124.34/x
  3. Step 3: Cross multiply
    145,964.13x = 218,944.88 × 46,124.34
  4. Step 4: Simplify right side
    145,964.13x = 10,098,688,086.38
  5. Step 5: Solve for x
    x = 10,098,688,086.38/145,964.13
  6. Step 6: Final answer
    x = 69,186.09

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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.