Home / 147,424.16-203,430.48-83,749.52

Finding the Fourth Proportional to 147,424.16, 203,430.48 and 83,749.52

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Solution

The fourth proportional to 147,424.16, 203,430.48 and 83,749.52 is: 115,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,424.16 : 203,430.48 = 83,749.52 : x
  2. Step 2: Convert to fraction form
    147,424.16/203,430.48 = 83,749.52/x
  3. Step 3: Cross multiply
    147,424.16x = 203,430.48 × 83,749.52
  4. Step 4: Simplify right side
    147,424.16x = 17,037,205,053.37
  5. Step 5: Solve for x
    x = 17,037,205,053.37/147,424.16
  6. Step 6: Final answer
    x = 115,565.90

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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.