Home / 283,931.52-391,823.89-156,606.81

Finding the Fourth Proportional to 283,931.52, 391,823.89 and 156,606.81

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Solution

The fourth proportional to 283,931.52, 391,823.89 and 156,606.81 is: 216,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,931.52 : 391,823.89 = 156,606.81 : x
  2. Step 2: Convert to fraction form
    283,931.52/391,823.89 = 156,606.81/x
  3. Step 3: Cross multiply
    283,931.52x = 391,823.89 × 156,606.81
  4. Step 4: Simplify right side
    283,931.52x = 61,362,289,494.69
  5. Step 5: Solve for x
    x = 61,362,289,494.69/283,931.52
  6. Step 6: Final answer
    x = 216,116.51

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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.