Home / 280,949.48-387,635.54-160,088.16

Finding the Fourth Proportional to 280,949.48, 387,635.54 and 160,088.16

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Solution

The fourth proportional to 280,949.48, 387,635.54 and 160,088.16 is: 220,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,949.48 : 387,635.54 = 160,088.16 : x
  2. Step 2: Convert to fraction form
    280,949.48/387,635.54 = 160,088.16/x
  3. Step 3: Cross multiply
    280,949.48x = 387,635.54 × 160,088.16
  4. Step 4: Simplify right side
    280,949.48x = 62,055,859,548.77
  5. Step 5: Solve for x
    x = 62,055,859,548.77/280,949.48
  6. Step 6: Final answer
    x = 220,879.07

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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.