Home / 117,923.56-176,829.66-42,990.76

Finding the Fourth Proportional to 117,923.56, 176,829.66 and 42,990.76

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Solution

The fourth proportional to 117,923.56, 176,829.66 and 42,990.76 is: 64,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923.56 : 176,829.66 = 42,990.76 : x
  2. Step 2: Convert to fraction form
    117,923.56/176,829.66 = 42,990.76/x
  3. Step 3: Cross multiply
    117,923.56x = 176,829.66 × 42,990.76
  4. Step 4: Simplify right side
    117,923.56x = 7,602,041,473.94
  5. Step 5: Solve for x
    x = 7,602,041,473.94/117,923.56
  6. Step 6: Final answer
    x = 64,465.84

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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.