Home / 115,180.39-158,927.90-64,191.84

Finding the Fourth Proportional to 115,180.39, 158,927.90 and 64,191.84

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Solution

The fourth proportional to 115,180.39, 158,927.90 and 64,191.84 is: 88,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,180.39 : 158,927.90 = 64,191.84 : x
  2. Step 2: Convert to fraction form
    115,180.39/158,927.90 = 64,191.84/x
  3. Step 3: Cross multiply
    115,180.39x = 158,927.90 × 64,191.84
  4. Step 4: Simplify right side
    115,180.39x = 10,201,874,328.34
  5. Step 5: Solve for x
    x = 10,201,874,328.34/115,180.39
  6. Step 6: Final answer
    x = 88,573.01

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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.