Home / 151,255.38-208,822.28-134,440.32

Finding the Fourth Proportional to 151,255.38, 208,822.28 and 134,440.32

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Solution

The fourth proportional to 151,255.38, 208,822.28 and 134,440.32 is: 185,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,255.38 : 208,822.28 = 134,440.32 : x
  2. Step 2: Convert to fraction form
    151,255.38/208,822.28 = 134,440.32/x
  3. Step 3: Cross multiply
    151,255.38x = 208,822.28 × 134,440.32
  4. Step 4: Simplify right side
    151,255.38x = 28,074,133,474.13
  5. Step 5: Solve for x
    x = 28,074,133,474.13/151,255.38
  6. Step 6: Final answer
    x = 185,607.50

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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.