Home / 115,347.36-159,152.19-70,024.20

Finding the Fourth Proportional to 115,347.36, 159,152.19 and 70,024.20

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Solution

The fourth proportional to 115,347.36, 159,152.19 and 70,024.20 is: 96,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,347.36 : 159,152.19 = 70,024.20 : x
  2. Step 2: Convert to fraction form
    115,347.36/159,152.19 = 70,024.20/x
  3. Step 3: Cross multiply
    115,347.36x = 159,152.19 × 70,024.20
  4. Step 4: Simplify right side
    115,347.36x = 11,144,504,783.00
  5. Step 5: Solve for x
    x = 11,144,504,783.00/115,347.36
  6. Step 6: Final answer
    x = 96,616.90

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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.