Home / 319,009.37-440,242.90-183,068.18

Finding the Fourth Proportional to 319,009.37, 440,242.90 and 183,068.18

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Solution

The fourth proportional to 319,009.37, 440,242.90 and 183,068.18 is: 252,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,009.37 : 440,242.90 = 183,068.18 : x
  2. Step 2: Convert to fraction form
    319,009.37/440,242.90 = 183,068.18/x
  3. Step 3: Cross multiply
    319,009.37x = 440,242.90 × 183,068.18
  4. Step 4: Simplify right side
    319,009.37x = 80,594,467,103.86
  5. Step 5: Solve for x
    x = 80,594,467,103.86/319,009.37
  6. Step 6: Final answer
    x = 252,639.81

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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.