Home / 115,521.60-159,433.62-70,206.96

Finding the Fourth Proportional to 115,521.60, 159,433.62 and 70,206.96

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Solution

The fourth proportional to 115,521.60, 159,433.62 and 70,206.96 is: 96,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,521.60 : 159,433.62 = 70,206.96 : x
  2. Step 2: Convert to fraction form
    115,521.60/159,433.62 = 70,206.96/x
  3. Step 3: Cross multiply
    115,521.60x = 159,433.62 × 70,206.96
  4. Step 4: Simplify right side
    115,521.60x = 11,193,349,782.00
  5. Step 5: Solve for x
    x = 11,193,349,782.00/115,521.60
  6. Step 6: Final answer
    x = 96,894.00

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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.