Home / 147,435.51-203,459.95-83,773.32

Finding the Fourth Proportional to 147,435.51, 203,459.95 and 83,773.32

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Solution

The fourth proportional to 147,435.51, 203,459.95 and 83,773.32 is: 115,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,435.51 : 203,459.95 = 83,773.32 : x
  2. Step 2: Convert to fraction form
    147,435.51/203,459.95 = 83,773.32/x
  3. Step 3: Cross multiply
    147,435.51x = 203,459.95 × 83,773.32
  4. Step 4: Simplify right side
    147,435.51x = 17,044,514,840.28
  5. Step 5: Solve for x
    x = 17,044,514,840.28/147,435.51
  6. Step 6: Final answer
    x = 115,606.58

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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.