Home / 161,357.04-222,671.16-89,733.60

Finding the Fourth Proportional to 161,357.04, 222,671.16 and 89,733.60

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Solution

The fourth proportional to 161,357.04, 222,671.16 and 89,733.60 is: 123,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,357.04 : 222,671.16 = 89,733.60 : x
  2. Step 2: Convert to fraction form
    161,357.04/222,671.16 = 89,733.60/x
  3. Step 3: Cross multiply
    161,357.04x = 222,671.16 × 89,733.60
  4. Step 4: Simplify right side
    161,357.04x = 19,981,084,802.98
  5. Step 5: Solve for x
    x = 19,981,084,802.98/161,357.04
  6. Step 6: Final answer
    x = 123,831.50

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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.