Home / 176,004.32-242,863.80-100,557.68

Finding the Fourth Proportional to 176,004.32, 242,863.80 and 100,557.68

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Solution

The fourth proportional to 176,004.32, 242,863.80 and 100,557.68 is: 138,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,004.32 : 242,863.80 = 100,557.68 : x
  2. Step 2: Convert to fraction form
    176,004.32/242,863.80 = 100,557.68/x
  3. Step 3: Cross multiply
    176,004.32x = 242,863.80 × 100,557.68
  4. Step 4: Simplify right side
    176,004.32x = 24,421,820,283.98
  5. Step 5: Solve for x
    x = 24,421,820,283.98/176,004.32
  6. Step 6: Final answer
    x = 138,756.94

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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.