Home / 482,699.42-724,166.18-145,719.95

Finding the Fourth Proportional to 482,699.42, 724,166.18 and 145,719.95

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Solution

The fourth proportional to 482,699.42, 724,166.18 and 145,719.95 is: 218,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,699.42 : 724,166.18 = 145,719.95 : x
  2. Step 2: Convert to fraction form
    482,699.42/724,166.18 = 145,719.95/x
  3. Step 3: Cross multiply
    482,699.42x = 724,166.18 × 145,719.95
  4. Step 4: Simplify right side
    482,699.42x = 105,525,455,191.86
  5. Step 5: Solve for x
    x = 105,525,455,191.86/482,699.42
  6. Step 6: Final answer
    x = 218,615.25

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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.