Home / 156,670.23-216,202.59-88,700.16

Finding the Fourth Proportional to 156,670.23, 216,202.59 and 88,700.16

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Solution

The fourth proportional to 156,670.23, 216,202.59 and 88,700.16 is: 122,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670.23 : 216,202.59 = 88,700.16 : x
  2. Step 2: Convert to fraction form
    156,670.23/216,202.59 = 88,700.16/x
  3. Step 3: Cross multiply
    156,670.23x = 216,202.59 × 88,700.16
  4. Step 4: Simplify right side
    156,670.23x = 19,177,204,325.41
  5. Step 5: Solve for x
    x = 19,177,204,325.41/156,670.23
  6. Step 6: Final answer
    x = 122,404.90

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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.