Home / 329,945.80-494,870.10-93,312.40

Finding the Fourth Proportional to 329,945.80, 494,870.10 and 93,312.40

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Solution

The fourth proportional to 329,945.80, 494,870.10 and 93,312.40 is: 139,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,945.80 : 494,870.10 = 93,312.40 : x
  2. Step 2: Convert to fraction form
    329,945.80/494,870.10 = 93,312.40/x
  3. Step 3: Cross multiply
    329,945.80x = 494,870.10 × 93,312.40
  4. Step 4: Simplify right side
    329,945.80x = 46,177,516,719.24
  5. Step 5: Solve for x
    x = 46,177,516,719.24/329,945.80
  6. Step 6: Final answer
    x = 139,954.86

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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.