Home / 112,026.80-154,808.22-88,341.60

Finding the Fourth Proportional to 112,026.80, 154,808.22 and 88,341.60

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Solution

The fourth proportional to 112,026.80, 154,808.22 and 88,341.60 is: 122,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.80 : 154,808.22 = 88,341.60 : x
  2. Step 2: Convert to fraction form
    112,026.80/154,808.22 = 88,341.60/x
  3. Step 3: Cross multiply
    112,026.80x = 154,808.22 × 88,341.60
  4. Step 4: Simplify right side
    112,026.80x = 13,676,005,847.95
  5. Step 5: Solve for x
    x = 13,676,005,847.95/112,026.80
  6. Step 6: Final answer
    x = 122,077.98

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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.