Home / 318,535.90-439,579.63-175,295.95

Finding the Fourth Proportional to 318,535.90, 439,579.63 and 175,295.95

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Solution

The fourth proportional to 318,535.90, 439,579.63 and 175,295.95 is: 241,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,535.90 : 439,579.63 = 175,295.95 : x
  2. Step 2: Convert to fraction form
    318,535.90/439,579.63 = 175,295.95/x
  3. Step 3: Cross multiply
    318,535.90x = 439,579.63 × 175,295.95
  4. Step 4: Simplify right side
    318,535.90x = 77,056,528,454.69
  5. Step 5: Solve for x
    x = 77,056,528,454.69/318,535.90
  6. Step 6: Final answer
    x = 241,908.45

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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.