Home / 151,518.48-209,008.80-94,831.44

Finding the Fourth Proportional to 151,518.48, 209,008.80 and 94,831.44

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Solution

The fourth proportional to 151,518.48, 209,008.80 and 94,831.44 is: 130,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,518.48 : 209,008.80 = 94,831.44 : x
  2. Step 2: Convert to fraction form
    151,518.48/209,008.80 = 94,831.44/x
  3. Step 3: Cross multiply
    151,518.48x = 209,008.80 × 94,831.44
  4. Step 4: Simplify right side
    151,518.48x = 19,820,605,476.67
  5. Step 5: Solve for x
    x = 19,820,605,476.67/151,518.48
  6. Step 6: Final answer
    x = 130,813.12

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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.