Home / 125,206.74-172,790.01-71,492.22

Finding the Fourth Proportional to 125,206.74, 172,790.01 and 71,492.22

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Solution

The fourth proportional to 125,206.74, 172,790.01 and 71,492.22 is: 98,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,206.74 : 172,790.01 = 71,492.22 : x
  2. Step 2: Convert to fraction form
    125,206.74/172,790.01 = 71,492.22/x
  3. Step 3: Cross multiply
    125,206.74x = 172,790.01 × 71,492.22
  4. Step 4: Simplify right side
    125,206.74x = 12,353,141,408.72
  5. Step 5: Solve for x
    x = 12,353,141,408.72/125,206.74
  6. Step 6: Final answer
    x = 98,661.95

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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.