Home / 130,407.28-195,587.80-59,313.31

Finding the Fourth Proportional to 130,407.28, 195,587.80 and 59,313.31

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Solution

The fourth proportional to 130,407.28, 195,587.80 and 59,313.31 is: 88,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407.28 : 195,587.80 = 59,313.31 : x
  2. Step 2: Convert to fraction form
    130,407.28/195,587.80 = 59,313.31/x
  3. Step 3: Cross multiply
    130,407.28x = 195,587.80 × 59,313.31
  4. Step 4: Simplify right side
    130,407.28x = 11,600,959,176.37
  5. Step 5: Solve for x
    x = 11,600,959,176.37/130,407.28
  6. Step 6: Final answer
    x = 88,959.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.