Home / 109,285.16-163,955.07-34,402.28

Finding the Fourth Proportional to 109,285.16, 163,955.07 and 34,402.28

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Solution

The fourth proportional to 109,285.16, 163,955.07 and 34,402.28 is: 51,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,285.16 : 163,955.07 = 34,402.28 : x
  2. Step 2: Convert to fraction form
    109,285.16/163,955.07 = 34,402.28/x
  3. Step 3: Cross multiply
    109,285.16x = 163,955.07 × 34,402.28
  4. Step 4: Simplify right side
    109,285.16x = 5,640,427,405.78
  5. Step 5: Solve for x
    x = 5,640,427,405.78/109,285.16
  6. Step 6: Final answer
    x = 51,612.02

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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.