Home / 216,738.29-299,085.07-118,601.62

Finding the Fourth Proportional to 216,738.29, 299,085.07 and 118,601.62

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Solution

The fourth proportional to 216,738.29, 299,085.07 and 118,601.62 is: 163,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,738.29 : 299,085.07 = 118,601.62 : x
  2. Step 2: Convert to fraction form
    216,738.29/299,085.07 = 118,601.62/x
  3. Step 3: Cross multiply
    216,738.29x = 299,085.07 × 118,601.62
  4. Step 4: Simplify right side
    216,738.29x = 35,471,973,819.81
  5. Step 5: Solve for x
    x = 35,471,973,819.81/216,738.29
  6. Step 6: Final answer
    x = 163,662.70

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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.