Home / 161,085.38-222,284.80-93,106.76

Finding the Fourth Proportional to 161,085.38, 222,284.80 and 93,106.76

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Solution

The fourth proportional to 161,085.38, 222,284.80 and 93,106.76 is: 128,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,085.38 : 222,284.80 = 93,106.76 : x
  2. Step 2: Convert to fraction form
    161,085.38/222,284.80 = 93,106.76/x
  3. Step 3: Cross multiply
    161,085.38x = 222,284.80 × 93,106.76
  4. Step 4: Simplify right side
    161,085.38x = 20,696,217,525.25
  5. Step 5: Solve for x
    x = 20,696,217,525.25/161,085.38
  6. Step 6: Final answer
    x = 128,479.80

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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.