Home / 151,313.20-208,901.64-134,497.60

Finding the Fourth Proportional to 151,313.20, 208,901.64 and 134,497.60

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Solution

The fourth proportional to 151,313.20, 208,901.64 and 134,497.60 is: 185,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,313.20 : 208,901.64 = 134,497.60 : x
  2. Step 2: Convert to fraction form
    151,313.20/208,901.64 = 134,497.60/x
  3. Step 3: Cross multiply
    151,313.20x = 208,901.64 × 134,497.60
  4. Step 4: Simplify right side
    151,313.20x = 28,096,769,216.06
  5. Step 5: Solve for x
    x = 28,096,769,216.06/151,313.20
  6. Step 6: Final answer
    x = 185,686.17

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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.