Home / 141,234.40-195,030.04-105,362.12

Finding the Fourth Proportional to 141,234.40, 195,030.04 and 105,362.12

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Solution

The fourth proportional to 141,234.40, 195,030.04 and 105,362.12 is: 145,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,234.40 : 195,030.04 = 105,362.12 : x
  2. Step 2: Convert to fraction form
    141,234.40/195,030.04 = 105,362.12/x
  3. Step 3: Cross multiply
    141,234.40x = 195,030.04 × 105,362.12
  4. Step 4: Simplify right side
    141,234.40x = 20,548,778,478.08
  5. Step 5: Solve for x
    x = 20,548,778,478.08/141,234.40
  6. Step 6: Final answer
    x = 145,494.15

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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.