Home / 319,731.93-441,228.53-176,490.72

Finding the Fourth Proportional to 319,731.93, 441,228.53 and 176,490.72

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Solution

The fourth proportional to 319,731.93, 441,228.53 and 176,490.72 is: 243,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,731.93 : 441,228.53 = 176,490.72 : x
  2. Step 2: Convert to fraction form
    319,731.93/441,228.53 = 176,490.72/x
  3. Step 3: Cross multiply
    319,731.93x = 441,228.53 × 176,490.72
  4. Step 4: Simplify right side
    319,731.93x = 77,872,740,061.79
  5. Step 5: Solve for x
    x = 77,872,740,061.79/319,731.93
  6. Step 6: Final answer
    x = 243,556.34

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1.5x scale

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.