Home / 319,820.46-441,345.06-174,621.48

Finding the Fourth Proportional to 319,820.46, 441,345.06 and 174,621.48

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Solution

The fourth proportional to 319,820.46, 441,345.06 and 174,621.48 is: 240,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,820.46 : 441,345.06 = 174,621.48 : x
  2. Step 2: Convert to fraction form
    319,820.46/441,345.06 = 174,621.48/x
  3. Step 3: Cross multiply
    319,820.46x = 441,345.06 × 174,621.48
  4. Step 4: Simplify right side
    319,820.46x = 77,068,327,567.89
  5. Step 5: Solve for x
    x = 77,068,327,567.89/319,820.46
  6. Step 6: Final answer
    x = 240,973.72

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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.