Home / 290,785.05-401,263.50-176,127.33

Finding the Fourth Proportional to 290,785.05, 401,263.50 and 176,127.33

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Solution

The fourth proportional to 290,785.05, 401,263.50 and 176,127.33 is: 243,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,785.05 : 401,263.50 = 176,127.33 : x
  2. Step 2: Convert to fraction form
    290,785.05/401,263.50 = 176,127.33/x
  3. Step 3: Cross multiply
    290,785.05x = 401,263.50 × 176,127.33
  4. Step 4: Simplify right side
    290,785.05x = 70,673,468,881.46
  5. Step 5: Solve for x
    x = 70,673,468,881.46/290,785.05
  6. Step 6: Final answer
    x = 243,043.68

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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.