Home / 109,330.36-163,995.90-34,457.56

Finding the Fourth Proportional to 109,330.36, 163,995.90 and 34,457.56

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Solution

The fourth proportional to 109,330.36, 163,995.90 and 34,457.56 is: 51,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,330.36 : 163,995.90 = 34,457.56 : x
  2. Step 2: Convert to fraction form
    109,330.36/163,995.90 = 34,457.56/x
  3. Step 3: Cross multiply
    109,330.36x = 163,995.90 × 34,457.56
  4. Step 4: Simplify right side
    109,330.36x = 5,650,898,564.00
  5. Step 5: Solve for x
    x = 5,650,898,564.00/109,330.36
  6. Step 6: Final answer
    x = 51,686.45

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1.5x scale

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.