Home / 352,123.49-528,052.56-127,428.35

Finding the Fourth Proportional to 352,123.49, 528,052.56 and 127,428.35

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Solution

The fourth proportional to 352,123.49, 528,052.56 and 127,428.35 is: 191,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,123.49 : 528,052.56 = 127,428.35 : x
  2. Step 2: Convert to fraction form
    352,123.49/528,052.56 = 127,428.35/x
  3. Step 3: Cross multiply
    352,123.49x = 528,052.56 × 127,428.35
  4. Step 4: Simplify right side
    352,123.49x = 67,288,866,434.08
  5. Step 5: Solve for x
    x = 67,288,866,434.08/352,123.49
  6. Step 6: Final answer
    x = 191,094.51

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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.