Home / 147,226.60-220,511.85-127,543.60

Finding the Fourth Proportional to 147,226.60, 220,511.85 and 127,543.60

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Solution

The fourth proportional to 147,226.60, 220,511.85 and 127,543.60 is: 191,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.60 : 220,511.85 = 127,543.60 : x
  2. Step 2: Convert to fraction form
    147,226.60/220,511.85 = 127,543.60/x
  3. Step 3: Cross multiply
    147,226.60x = 220,511.85 × 127,543.60
  4. Step 4: Simplify right side
    147,226.60x = 28,124,875,191.66
  5. Step 5: Solve for x
    x = 28,124,875,191.66/147,226.60
  6. Step 6: Final answer
    x = 191,031.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.