Home / 145,946.07-218,942.51-61,707.12

Finding the Fourth Proportional to 145,946.07, 218,942.51 and 61,707.12

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Solution

The fourth proportional to 145,946.07, 218,942.51 and 61,707.12 is: 92,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.07 : 218,942.51 = 61,707.12 : x
  2. Step 2: Convert to fraction form
    145,946.07/218,942.51 = 61,707.12/x
  3. Step 3: Cross multiply
    145,946.07x = 218,942.51 × 61,707.12
  4. Step 4: Simplify right side
    145,946.07x = 13,510,310,694.88
  5. Step 5: Solve for x
    x = 13,510,310,694.88/145,946.07
  6. Step 6: Final answer
    x = 92,570.57

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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.