Home / 316,329.95-436,535.33-173,090.00

Finding the Fourth Proportional to 316,329.95, 436,535.33 and 173,090.00

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Solution

The fourth proportional to 316,329.95, 436,535.33 and 173,090.00 is: 238,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,329.95 : 436,535.33 = 173,090.00 : x
  2. Step 2: Convert to fraction form
    316,329.95/436,535.33 = 173,090.00/x
  3. Step 3: Cross multiply
    316,329.95x = 436,535.33 × 173,090.00
  4. Step 4: Simplify right side
    316,329.95x = 75,559,898,087.02
  5. Step 5: Solve for x
    x = 75,559,898,087.02/316,329.95
  6. Step 6: Final answer
    x = 238,864.19

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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.