Home / 156,670.32-216,203.76-85,048.86

Finding the Fourth Proportional to 156,670.32, 216,203.76 and 85,048.86

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Solution

The fourth proportional to 156,670.32, 216,203.76 and 85,048.86 is: 117,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670.32 : 216,203.76 = 85,048.86 : x
  2. Step 2: Convert to fraction form
    156,670.32/216,203.76 = 85,048.86/x
  3. Step 3: Cross multiply
    156,670.32x = 216,203.76 × 85,048.86
  4. Step 4: Simplify right side
    156,670.32x = 18,387,883,315.71
  5. Step 5: Solve for x
    x = 18,387,883,315.71/156,670.32
  6. Step 6: Final answer
    x = 117,366.73

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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.