Home / 145,965.13-218,946.38-46,125.34

Finding the Fourth Proportional to 145,965.13, 218,946.38 and 46,125.34

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Solution

The fourth proportional to 145,965.13, 218,946.38 and 46,125.34 is: 69,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965.13 : 218,946.38 = 46,125.34 : x
  2. Step 2: Convert to fraction form
    145,965.13/218,946.38 = 46,125.34/x
  3. Step 3: Cross multiply
    145,965.13x = 218,946.38 × 46,125.34
  4. Step 4: Simplify right side
    145,965.13x = 10,098,974,893.91
  5. Step 5: Solve for x
    x = 10,098,974,893.91/145,965.13
  6. Step 6: Final answer
    x = 69,187.59

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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.