Home / 179,417.54-247,255.52-128,341.56

Finding the Fourth Proportional to 179,417.54, 247,255.52 and 128,341.56

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Solution

The fourth proportional to 179,417.54, 247,255.52 and 128,341.56 is: 176,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,417.54 : 247,255.52 = 128,341.56 : x
  2. Step 2: Convert to fraction form
    179,417.54/247,255.52 = 128,341.56/x
  3. Step 3: Cross multiply
    179,417.54x = 247,255.52 × 128,341.56
  4. Step 4: Simplify right side
    179,417.54x = 31,733,160,704.27
  5. Step 5: Solve for x
    x = 31,733,160,704.27/179,417.54
  6. Step 6: Final answer
    x = 176,867.66

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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.