Home / 282,415.02-423,680.88-82,741.92

Finding the Fourth Proportional to 282,415.02, 423,680.88 and 82,741.92

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Solution

The fourth proportional to 282,415.02, 423,680.88 and 82,741.92 is: 124,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,415.02 : 423,680.88 = 82,741.92 : x
  2. Step 2: Convert to fraction form
    282,415.02/423,680.88 = 82,741.92/x
  3. Step 3: Cross multiply
    282,415.02x = 423,680.88 × 82,741.92
  4. Step 4: Simplify right side
    282,415.02x = 35,056,169,478.49
  5. Step 5: Solve for x
    x = 35,056,169,478.49/282,415.02
  6. Step 6: Final answer
    x = 124,129.98

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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.