Home / 251,946.41-347,685.98-138,769.16

Finding the Fourth Proportional to 251,946.41, 347,685.98 and 138,769.16

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Solution

The fourth proportional to 251,946.41, 347,685.98 and 138,769.16 is: 191,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,946.41 : 347,685.98 = 138,769.16 : x
  2. Step 2: Convert to fraction form
    251,946.41/347,685.98 = 138,769.16/x
  3. Step 3: Cross multiply
    251,946.41x = 347,685.98 × 138,769.16
  4. Step 4: Simplify right side
    251,946.41x = 48,248,090,694.53
  5. Step 5: Solve for x
    x = 48,248,090,694.53/251,946.41
  6. Step 6: Final answer
    x = 191,501.40

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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.