Home / 117,436.14-176,153.74-42,538.76

Finding the Fourth Proportional to 117,436.14, 176,153.74 and 42,538.76

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Solution

The fourth proportional to 117,436.14, 176,153.74 and 42,538.76 is: 63,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,436.14 : 176,153.74 = 42,538.76 : x
  2. Step 2: Convert to fraction form
    117,436.14/176,153.74 = 42,538.76/x
  3. Step 3: Cross multiply
    117,436.14x = 176,153.74 × 42,538.76
  4. Step 4: Simplify right side
    117,436.14x = 7,493,361,668.96
  5. Step 5: Solve for x
    x = 7,493,361,668.96/117,436.14
  6. Step 6: Final answer
    x = 63,807.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.