Home / 115,436.34-159,318.09-70,133.04

Finding the Fourth Proportional to 115,436.34, 159,318.09 and 70,133.04

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Solution

The fourth proportional to 115,436.34, 159,318.09 and 70,133.04 is: 96,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,436.34 : 159,318.09 = 70,133.04 : x
  2. Step 2: Convert to fraction form
    115,436.34/159,318.09 = 70,133.04/x
  3. Step 3: Cross multiply
    115,436.34x = 159,318.09 × 70,133.04
  4. Step 4: Simplify right side
    115,436.34x = 11,173,461,978.69
  5. Step 5: Solve for x
    x = 11,173,461,978.69/115,436.34
  6. Step 6: Final answer
    x = 96,793.28

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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.