Home / 319,671.64-441,145.96-176,430.66

Finding the Fourth Proportional to 319,671.64, 441,145.96 and 176,430.66

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Solution

The fourth proportional to 319,671.64, 441,145.96 and 176,430.66 is: 243,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,671.64 : 441,145.96 = 176,430.66 : x
  2. Step 2: Convert to fraction form
    319,671.64/441,145.96 = 176,430.66/x
  3. Step 3: Cross multiply
    319,671.64x = 441,145.96 × 176,430.66
  4. Step 4: Simplify right side
    319,671.64x = 77,831,671,031.87
  5. Step 5: Solve for x
    x = 77,831,671,031.87/319,671.64
  6. Step 6: Final answer
    x = 243,473.81

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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.