Home / 352,669.40-529,052.70-127,975.40

Finding the Fourth Proportional to 352,669.40, 529,052.70 and 127,975.40

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Solution

The fourth proportional to 352,669.40, 529,052.70 and 127,975.40 is: 191,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,669.40 : 529,052.70 = 127,975.40 : x
  2. Step 2: Convert to fraction form
    352,669.40/529,052.70 = 127,975.40/x
  3. Step 3: Cross multiply
    352,669.40x = 529,052.70 × 127,975.40
  4. Step 4: Simplify right side
    352,669.40x = 67,705,730,903.58
  5. Step 5: Solve for x
    x = 67,705,730,903.58/352,669.40
  6. Step 6: Final answer
    x = 191,980.74

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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.