Home / 123,756.18-185,661.26-70,473.34

Finding the Fourth Proportional to 123,756.18, 185,661.26 and 70,473.34

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Solution

The fourth proportional to 123,756.18, 185,661.26 and 70,473.34 is: 105,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,756.18 : 185,661.26 = 70,473.34 : x
  2. Step 2: Convert to fraction form
    123,756.18/185,661.26 = 70,473.34/x
  3. Step 3: Cross multiply
    123,756.18x = 185,661.26 × 70,473.34
  4. Step 4: Simplify right side
    123,756.18x = 13,084,169,641.21
  5. Step 5: Solve for x
    x = 13,084,169,641.21/123,756.18
  6. Step 6: Final answer
    x = 105,725.38

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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.