Home / 102,222.10-141,066.48-56,899.11

Finding the Fourth Proportional to 102,222.10, 141,066.48 and 56,899.11

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Solution

The fourth proportional to 102,222.10, 141,066.48 and 56,899.11 is: 78,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,222.10 : 141,066.48 = 56,899.11 : x
  2. Step 2: Convert to fraction form
    102,222.10/141,066.48 = 56,899.11/x
  3. Step 3: Cross multiply
    102,222.10x = 141,066.48 × 56,899.11
  4. Step 4: Simplify right side
    102,222.10x = 8,026,557,162.83
  5. Step 5: Solve for x
    x = 8,026,557,162.83/102,222.10
  6. Step 6: Final answer
    x = 78,520.76

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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.