Home / 280,259.93-386,766.87-152,943.72

Finding the Fourth Proportional to 280,259.93, 386,766.87 and 152,943.72

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Solution

The fourth proportional to 280,259.93, 386,766.87 and 152,943.72 is: 211,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,259.93 : 386,766.87 = 152,943.72 : x
  2. Step 2: Convert to fraction form
    280,259.93/386,766.87 = 152,943.72/x
  3. Step 3: Cross multiply
    280,259.93x = 386,766.87 × 152,943.72
  4. Step 4: Simplify right side
    280,259.93x = 59,153,565,607.70
  5. Step 5: Solve for x
    x = 59,153,565,607.70/280,259.93
  6. Step 6: Final answer
    x = 211,066.80

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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.