Home / 191,360.25-285,018.95-181,368.09

Finding the Fourth Proportional to 191,360.25, 285,018.95 and 181,368.09

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Solution

The fourth proportional to 191,360.25, 285,018.95 and 181,368.09 is: 270,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,360.25 : 285,018.95 = 181,368.09 : x
  2. Step 2: Convert to fraction form
    191,360.25/285,018.95 = 181,368.09/x
  3. Step 3: Cross multiply
    191,360.25x = 285,018.95 × 181,368.09
  4. Step 4: Simplify right side
    191,360.25x = 51,693,343,028.73
  5. Step 5: Solve for x
    x = 51,693,343,028.73/191,360.25
  6. Step 6: Final answer
    x = 270,136.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.