Home / 107,332.32-160,789.04-70,284

Finding the Fourth Proportional to 107,332.32, 160,789.04 and 70,284

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Solution

The fourth proportional to 107,332.32, 160,789.04 and 70,284 is: 105,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,332.32 : 160,789.04 = 70,284 : x
  2. Step 2: Convert to fraction form
    107,332.32/160,789.04 = 70,284/x
  3. Step 3: Cross multiply
    107,332.32x = 160,789.04 × 70,284
  4. Step 4: Simplify right side
    107,332.32x = 11,300,896,887.36
  5. Step 5: Solve for x
    x = 11,300,896,887.36/107,332.32
  6. Step 6: Final answer
    x = 105,288.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.