Home / 352,623.20-528,880.80-115,966.40

Finding the Fourth Proportional to 352,623.20, 528,880.80 and 115,966.40

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Solution

The fourth proportional to 352,623.20, 528,880.80 and 115,966.40 is: 173,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,623.20 : 528,880.80 = 115,966.40 : x
  2. Step 2: Convert to fraction form
    352,623.20/528,880.80 = 115,966.40/x
  3. Step 3: Cross multiply
    352,623.20x = 528,880.80 × 115,966.40
  4. Step 4: Simplify right side
    352,623.20x = 61,332,402,405.12
  5. Step 5: Solve for x
    x = 61,332,402,405.12/352,623.20
  6. Step 6: Final answer
    x = 173,931.84

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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.