Home / 395,032.34-592,567.65-128,792.43

Finding the Fourth Proportional to 395,032.34, 592,567.65 and 128,792.43

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Solution

The fourth proportional to 395,032.34, 592,567.65 and 128,792.43 is: 193,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,032.34 : 592,567.65 = 128,792.43 : x
  2. Step 2: Convert to fraction form
    395,032.34/592,567.65 = 128,792.43/x
  3. Step 3: Cross multiply
    395,032.34x = 592,567.65 × 128,792.43
  4. Step 4: Simplify right side
    395,032.34x = 76,318,227,582.89
  5. Step 5: Solve for x
    x = 76,318,227,582.89/395,032.34
  6. Step 6: Final answer
    x = 193,194.88

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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.