Home / 207,931.83-286,947.64-114,800.56

Finding the Fourth Proportional to 207,931.83, 286,947.64 and 114,800.56

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Solution

The fourth proportional to 207,931.83, 286,947.64 and 114,800.56 is: 158,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,931.83 : 286,947.64 = 114,800.56 : x
  2. Step 2: Convert to fraction form
    207,931.83/286,947.64 = 114,800.56/x
  3. Step 3: Cross multiply
    207,931.83x = 286,947.64 × 114,800.56
  4. Step 4: Simplify right side
    207,931.83x = 32,941,749,762.68
  5. Step 5: Solve for x
    x = 32,941,749,762.68/207,931.83
  6. Step 6: Final answer
    x = 158,425.72

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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.