Home / 124,817.80-187,226.70-120,152.20

Finding the Fourth Proportional to 124,817.80, 187,226.70 and 120,152.20

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Solution

The fourth proportional to 124,817.80, 187,226.70 and 120,152.20 is: 180,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,817.80 : 187,226.70 = 120,152.20 : x
  2. Step 2: Convert to fraction form
    124,817.80/187,226.70 = 120,152.20/x
  3. Step 3: Cross multiply
    124,817.80x = 187,226.70 × 120,152.20
  4. Step 4: Simplify right side
    124,817.80x = 22,495,699,903.74
  5. Step 5: Solve for x
    x = 22,495,699,903.74/124,817.80
  6. Step 6: Final answer
    x = 180,228.30

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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.