Home / 289,554.04-434,385.62-109,693.34

Finding the Fourth Proportional to 289,554.04, 434,385.62 and 109,693.34

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Solution

The fourth proportional to 289,554.04, 434,385.62 and 109,693.34 is: 164,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,554.04 : 434,385.62 = 109,693.34 : x
  2. Step 2: Convert to fraction form
    289,554.04/434,385.62 = 109,693.34/x
  3. Step 3: Cross multiply
    289,554.04x = 434,385.62 × 109,693.34
  4. Step 4: Simplify right side
    289,554.04x = 47,649,209,442.70
  5. Step 5: Solve for x
    x = 47,649,209,442.70/289,554.04
  6. Step 6: Final answer
    x = 164,560.68

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1.5x scale

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.