Home / 185,536.60-256,222.38-128,322.52

Finding the Fourth Proportional to 185,536.60, 256,222.38 and 128,322.52

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Solution

The fourth proportional to 185,536.60, 256,222.38 and 128,322.52 is: 177,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,536.60 : 256,222.38 = 128,322.52 : x
  2. Step 2: Convert to fraction form
    185,536.60/256,222.38 = 128,322.52/x
  3. Step 3: Cross multiply
    185,536.60x = 256,222.38 × 128,322.52
  4. Step 4: Simplify right side
    185,536.60x = 32,879,101,482.00
  5. Step 5: Solve for x
    x = 32,879,101,482.00/185,536.60
  6. Step 6: Final answer
    x = 177,210.87

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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.