Home / 319,109.42-440,362.35-175,869.42

Finding the Fourth Proportional to 319,109.42, 440,362.35 and 175,869.42

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Solution

The fourth proportional to 319,109.42, 440,362.35 and 175,869.42 is: 242,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,109.42 : 440,362.35 = 175,869.42 : x
  2. Step 2: Convert to fraction form
    319,109.42/440,362.35 = 175,869.42/x
  3. Step 3: Cross multiply
    319,109.42x = 440,362.35 × 175,869.42
  4. Step 4: Simplify right side
    319,109.42x = 77,446,271,084.34
  5. Step 5: Solve for x
    x = 77,446,271,084.34/319,109.42
  6. Step 6: Final answer
    x = 242,695.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.