Home / 160,686.65-221,739.05-92,699.64

Finding the Fourth Proportional to 160,686.65, 221,739.05 and 92,699.64

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Solution

The fourth proportional to 160,686.65, 221,739.05 and 92,699.64 is: 127,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686.65 : 221,739.05 = 92,699.64 : x
  2. Step 2: Convert to fraction form
    160,686.65/221,739.05 = 92,699.64/x
  3. Step 3: Cross multiply
    160,686.65x = 221,739.05 × 92,699.64
  4. Step 4: Simplify right side
    160,686.65x = 20,555,130,340.69
  5. Step 5: Solve for x
    x = 20,555,130,340.69/160,686.65
  6. Step 6: Final answer
    x = 127,920.58

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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.