Home / 234,135.02-323,108.73-126,707.36

Finding the Fourth Proportional to 234,135.02, 323,108.73 and 126,707.36

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Solution

The fourth proportional to 234,135.02, 323,108.73 and 126,707.36 is: 174,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,135.02 : 323,108.73 = 126,707.36 : x
  2. Step 2: Convert to fraction form
    234,135.02/323,108.73 = 126,707.36/x
  3. Step 3: Cross multiply
    234,135.02x = 323,108.73 × 126,707.36
  4. Step 4: Simplify right side
    234,135.02x = 40,940,252,555.71
  5. Step 5: Solve for x
    x = 40,940,252,555.71/234,135.02
  6. Step 6: Final answer
    x = 174,857.45

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1.5x scale

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.