Home / 146,778.57-202,484.88-99,047.31

Finding the Fourth Proportional to 146,778.57, 202,484.88 and 99,047.31

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Solution

The fourth proportional to 146,778.57, 202,484.88 and 99,047.31 is: 136,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,778.57 : 202,484.88 = 99,047.31 : x
  2. Step 2: Convert to fraction form
    146,778.57/202,484.88 = 99,047.31/x
  3. Step 3: Cross multiply
    146,778.57x = 202,484.88 × 99,047.31
  4. Step 4: Simplify right side
    146,778.57x = 20,055,582,679.67
  5. Step 5: Solve for x
    x = 20,055,582,679.67/146,778.57
  6. Step 6: Final answer
    x = 136,638.36

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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.