Home / 156,783.27-216,366.42-88,802.20

Finding the Fourth Proportional to 156,783.27, 216,366.42 and 88,802.20

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Solution

The fourth proportional to 156,783.27, 216,366.42 and 88,802.20 is: 122,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.27 : 216,366.42 = 88,802.20 : x
  2. Step 2: Convert to fraction form
    156,783.27/216,366.42 = 88,802.20/x
  3. Step 3: Cross multiply
    156,783.27x = 216,366.42 × 88,802.20
  4. Step 4: Simplify right side
    156,783.27x = 19,213,814,102.12
  5. Step 5: Solve for x
    x = 19,213,814,102.12/156,783.27
  6. Step 6: Final answer
    x = 122,550.16

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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.