Home / 109,210.28-163,793.54-30,303.32

Finding the Fourth Proportional to 109,210.28, 163,793.54 and 30,303.32

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Solution

The fourth proportional to 109,210.28, 163,793.54 and 30,303.32 is: 45,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,210.28 : 163,793.54 = 30,303.32 : x
  2. Step 2: Convert to fraction form
    109,210.28/163,793.54 = 30,303.32/x
  3. Step 3: Cross multiply
    109,210.28x = 163,793.54 × 30,303.32
  4. Step 4: Simplify right side
    109,210.28x = 4,963,487,313.34
  5. Step 5: Solve for x
    x = 4,963,487,313.34/109,210.28
  6. Step 6: Final answer
    x = 45,448.90

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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.