Home / 319,303.02-440,637.72-176,063.42

Finding the Fourth Proportional to 319,303.02, 440,637.72 and 176,063.42

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Solution

The fourth proportional to 319,303.02, 440,637.72 and 176,063.42 is: 242,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,303.02 : 440,637.72 = 176,063.42 : x
  2. Step 2: Convert to fraction form
    319,303.02/440,637.72 = 176,063.42/x
  3. Step 3: Cross multiply
    319,303.02x = 440,637.72 × 176,063.42
  4. Step 4: Simplify right side
    319,303.02x = 77,580,183,964.20
  5. Step 5: Solve for x
    x = 77,580,183,964.20/319,303.02
  6. Step 6: Final answer
    x = 242,967.27

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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.