Home / 160,236.16-221,178.48-112,501.36

Finding the Fourth Proportional to 160,236.16, 221,178.48 and 112,501.36

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Solution

The fourth proportional to 160,236.16, 221,178.48 and 112,501.36 is: 155,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,236.16 : 221,178.48 = 112,501.36 : x
  2. Step 2: Convert to fraction form
    160,236.16/221,178.48 = 112,501.36/x
  3. Step 3: Cross multiply
    160,236.16x = 221,178.48 × 112,501.36
  4. Step 4: Simplify right side
    160,236.16x = 24,882,879,802.73
  5. Step 5: Solve for x
    x = 24,882,879,802.73/160,236.16
  6. Step 6: Final answer
    x = 155,288.79

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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.