Home / 280,257.95-386,764.16-152,941.74

Finding the Fourth Proportional to 280,257.95, 386,764.16 and 152,941.74

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Solution

The fourth proportional to 280,257.95, 386,764.16 and 152,941.74 is: 211,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,257.95 : 386,764.16 = 152,941.74 : x
  2. Step 2: Convert to fraction form
    280,257.95/386,764.16 = 152,941.74/x
  3. Step 3: Cross multiply
    280,257.95x = 386,764.16 × 152,941.74
  4. Step 4: Simplify right side
    280,257.95x = 59,152,382,835.33
  5. Step 5: Solve for x
    x = 59,152,382,835.33/280,257.95
  6. Step 6: Final answer
    x = 211,064.07

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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.