Home / 213,077.04-319,311-156,473.16

Finding the Fourth Proportional to 213,077.04, 319,311 and 156,473.16

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Solution

The fourth proportional to 213,077.04, 319,311 and 156,473.16 is: 234,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,077.04 : 319,311 = 156,473.16 : x
  2. Step 2: Convert to fraction form
    213,077.04/319,311 = 156,473.16/x
  3. Step 3: Cross multiply
    213,077.04x = 319,311 × 156,473.16
  4. Step 4: Simplify right side
    213,077.04x = 49,963,601,192.76
  5. Step 5: Solve for x
    x = 49,963,601,192.76/213,077.04
  6. Step 6: Final answer
    x = 234,486.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.