Home / 140,328.13-193,595.47-103,622.29

Finding the Fourth Proportional to 140,328.13, 193,595.47 and 103,622.29

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Solution

The fourth proportional to 140,328.13, 193,595.47 and 103,622.29 is: 142,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,328.13 : 193,595.47 = 103,622.29 : x
  2. Step 2: Convert to fraction form
    140,328.13/193,595.47 = 103,622.29/x
  3. Step 3: Cross multiply
    140,328.13x = 193,595.47 × 103,622.29
  4. Step 4: Simplify right side
    140,328.13x = 20,060,805,935.03
  5. Step 5: Solve for x
    x = 20,060,805,935.03/140,328.13
  6. Step 6: Final answer
    x = 142,956.41

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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.