Home / 394,742.60-592,109.58-158,140.52

Finding the Fourth Proportional to 394,742.60, 592,109.58 and 158,140.52

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Solution

The fourth proportional to 394,742.60, 592,109.58 and 158,140.52 is: 237,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,742.60 : 592,109.58 = 158,140.52 : x
  2. Step 2: Convert to fraction form
    394,742.60/592,109.58 = 158,140.52/x
  3. Step 3: Cross multiply
    394,742.60x = 592,109.58 × 158,140.52
  4. Step 4: Simplify right side
    394,742.60x = 93,636,516,878.18
  5. Step 5: Solve for x
    x = 93,636,516,878.18/394,742.60
  6. Step 6: Final answer
    x = 237,209.05

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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.