Home / 316,938.48-437,123.16-269,349.36

Finding the Fourth Proportional to 316,938.48, 437,123.16 and 269,349.36

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Solution

The fourth proportional to 316,938.48, 437,123.16 and 269,349.36 is: 371,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,938.48 : 437,123.16 = 269,349.36 : x
  2. Step 2: Convert to fraction form
    316,938.48/437,123.16 = 269,349.36/x
  3. Step 3: Cross multiply
    316,938.48x = 437,123.16 × 269,349.36
  4. Step 4: Simplify right side
    316,938.48x = 117,738,843,387.18
  5. Step 5: Solve for x
    x = 117,738,843,387.18/316,938.48
  6. Step 6: Final answer
    x = 371,488.00

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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.