Home / 280,192.29-386,664.98-152,867.88

Finding the Fourth Proportional to 280,192.29, 386,664.98 and 152,867.88

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Solution

The fourth proportional to 280,192.29, 386,664.98 and 152,867.88 is: 210,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,192.29 : 386,664.98 = 152,867.88 : x
  2. Step 2: Convert to fraction form
    280,192.29/386,664.98 = 152,867.88/x
  3. Step 3: Cross multiply
    280,192.29x = 386,664.98 × 152,867.88
  4. Step 4: Simplify right side
    280,192.29x = 59,108,656,730.91
  5. Step 5: Solve for x
    x = 59,108,656,730.91/280,192.29
  6. Step 6: Final answer
    x = 210,957.47

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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.