Home / 115,050.84-158,780.88-67,301.16

Finding the Fourth Proportional to 115,050.84, 158,780.88 and 67,301.16

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Solution

The fourth proportional to 115,050.84, 158,780.88 and 67,301.16 is: 92,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050.84 : 158,780.88 = 67,301.16 : x
  2. Step 2: Convert to fraction form
    115,050.84/158,780.88 = 67,301.16/x
  3. Step 3: Cross multiply
    115,050.84x = 158,780.88 × 67,301.16
  4. Step 4: Simplify right side
    115,050.84x = 10,686,137,409.82
  5. Step 5: Solve for x
    x = 10,686,137,409.82/115,050.84
  6. Step 6: Final answer
    x = 92,881.87

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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.