Home / 147,365.16-203,349.06-83,690.52

Finding the Fourth Proportional to 147,365.16, 203,349.06 and 83,690.52

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Solution

The fourth proportional to 147,365.16, 203,349.06 and 83,690.52 is: 115,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,365.16 : 203,349.06 = 83,690.52 : x
  2. Step 2: Convert to fraction form
    147,365.16/203,349.06 = 83,690.52/x
  3. Step 3: Cross multiply
    147,365.16x = 203,349.06 × 83,690.52
  4. Step 4: Simplify right side
    147,365.16x = 17,018,388,572.91
  5. Step 5: Solve for x
    x = 17,018,388,572.91/147,365.16
  6. Step 6: Final answer
    x = 115,484.48

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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.