Home / 152,478.34-210,431.19-92,063.68

Finding the Fourth Proportional to 152,478.34, 210,431.19 and 92,063.68

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Solution

The fourth proportional to 152,478.34, 210,431.19 and 92,063.68 is: 127,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,478.34 : 210,431.19 = 92,063.68 : x
  2. Step 2: Convert to fraction form
    152,478.34/210,431.19 = 92,063.68/x
  3. Step 3: Cross multiply
    152,478.34x = 210,431.19 × 92,063.68
  4. Step 4: Simplify right side
    152,478.34x = 19,373,069,738.18
  5. Step 5: Solve for x
    x = 19,373,069,738.18/152,478.34
  6. Step 6: Final answer
    x = 127,054.57

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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.