Home / 460,178.88-690,315.47-176,108.36

Finding the Fourth Proportional to 460,178.88, 690,315.47 and 176,108.36

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Solution

The fourth proportional to 460,178.88, 690,315.47 and 176,108.36 is: 264,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,178.88 : 690,315.47 = 176,108.36 : x
  2. Step 2: Convert to fraction form
    460,178.88/690,315.47 = 176,108.36/x
  3. Step 3: Cross multiply
    460,178.88x = 690,315.47 × 176,108.36
  4. Step 4: Simplify right side
    460,178.88x = 121,570,320,972.21
  5. Step 5: Solve for x
    x = 121,570,320,972.21/460,178.88
  6. Step 6: Final answer
    x = 264,180.57

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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.