Home / 280,260.02-386,767.00-152,943.82

Finding the Fourth Proportional to 280,260.02, 386,767.00 and 152,943.82

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Solution

The fourth proportional to 280,260.02, 386,767.00 and 152,943.82 is: 211,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,260.02 : 386,767.00 = 152,943.82 : x
  2. Step 2: Convert to fraction form
    280,260.02/386,767.00 = 152,943.82/x
  3. Step 3: Cross multiply
    280,260.02x = 386,767.00 × 152,943.82
  4. Step 4: Simplify right side
    280,260.02x = 59,153,621,654.20
  5. Step 5: Solve for x
    x = 59,153,621,654.20/280,260.02
  6. Step 6: Final answer
    x = 211,066.93

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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.