Home / 235,600.08-325,118.52-128,168.16

Finding the Fourth Proportional to 235,600.08, 325,118.52 and 128,168.16

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Solution

The fourth proportional to 235,600.08, 325,118.52 and 128,168.16 is: 176,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,600.08 : 325,118.52 = 128,168.16 : x
  2. Step 2: Convert to fraction form
    235,600.08/325,118.52 = 128,168.16/x
  3. Step 3: Cross multiply
    235,600.08x = 325,118.52 × 128,168.16
  4. Step 4: Simplify right side
    235,600.08x = 41,669,842,490.32
  5. Step 5: Solve for x
    x = 41,669,842,490.32/235,600.08
  6. Step 6: Final answer
    x = 176,866.84

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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.