Home / 151,030.59-208,115.15-116,831.37

Finding the Fourth Proportional to 151,030.59, 208,115.15 and 116,831.37

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Solution

The fourth proportional to 151,030.59, 208,115.15 and 116,831.37 is: 160,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,030.59 : 208,115.15 = 116,831.37 : x
  2. Step 2: Convert to fraction form
    151,030.59/208,115.15 = 116,831.37/x
  3. Step 3: Cross multiply
    151,030.59x = 208,115.15 × 116,831.37
  4. Step 4: Simplify right side
    151,030.59x = 24,314,378,092.26
  5. Step 5: Solve for x
    x = 24,314,378,092.26/151,030.59
  6. Step 6: Final answer
    x = 160,989.76

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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.