Home / 145,707.32-218,573.37-40,526.30

Finding the Fourth Proportional to 145,707.32, 218,573.37 and 40,526.30

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Solution

The fourth proportional to 145,707.32, 218,573.37 and 40,526.30 is: 60,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,707.32 : 218,573.37 = 40,526.30 : x
  2. Step 2: Convert to fraction form
    145,707.32/218,573.37 = 40,526.30/x
  3. Step 3: Cross multiply
    145,707.32x = 218,573.37 × 40,526.30
  4. Step 4: Simplify right side
    145,707.32x = 8,857,970,511.06
  5. Step 5: Solve for x
    x = 8,857,970,511.06/145,707.32
  6. Step 6: Final answer
    x = 60,792.90

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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.