Home / 319,111.65-440,368.04-173,918.64

Finding the Fourth Proportional to 319,111.65, 440,368.04 and 173,918.64

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Solution

The fourth proportional to 319,111.65, 440,368.04 and 173,918.64 is: 240,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,111.65 : 440,368.04 = 173,918.64 : x
  2. Step 2: Convert to fraction form
    319,111.65/440,368.04 = 173,918.64/x
  3. Step 3: Cross multiply
    319,111.65x = 440,368.04 × 173,918.64
  4. Step 4: Simplify right side
    319,111.65x = 76,588,212,702.44
  5. Step 5: Solve for x
    x = 76,588,212,702.44/319,111.65
  6. Step 6: Final answer
    x = 240,004.44

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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.