Home / 161,085.12-222,284.46-93,106.50

Finding the Fourth Proportional to 161,085.12, 222,284.46 and 93,106.50

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Solution

The fourth proportional to 161,085.12, 222,284.46 and 93,106.50 is: 128,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,085.12 : 222,284.46 = 93,106.50 : x
  2. Step 2: Convert to fraction form
    161,085.12/222,284.46 = 93,106.50/x
  3. Step 3: Cross multiply
    161,085.12x = 222,284.46 × 93,106.50
  4. Step 4: Simplify right side
    161,085.12x = 20,696,128,074.99
  5. Step 5: Solve for x
    x = 20,696,128,074.99/161,085.12
  6. Step 6: Final answer
    x = 128,479.45

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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.