Home / 139,316.07-192,254.49-75,654.32

Finding the Fourth Proportional to 139,316.07, 192,254.49 and 75,654.32

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Solution

The fourth proportional to 139,316.07, 192,254.49 and 75,654.32 is: 104,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,316.07 : 192,254.49 = 75,654.32 : x
  2. Step 2: Convert to fraction form
    139,316.07/192,254.49 = 75,654.32/x
  3. Step 3: Cross multiply
    139,316.07x = 192,254.49 × 75,654.32
  4. Step 4: Simplify right side
    139,316.07x = 14,544,882,707.90
  5. Step 5: Solve for x
    x = 14,544,882,707.90/139,316.07
  6. Step 6: Final answer
    x = 104,402.05

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1.5x scale

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.