Home / 280,557.56-387,169.44-153,233.46

Finding the Fourth Proportional to 280,557.56, 387,169.44 and 153,233.46

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Solution

The fourth proportional to 280,557.56, 387,169.44 and 153,233.46 is: 211,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,557.56 : 387,169.44 = 153,233.46 : x
  2. Step 2: Convert to fraction form
    280,557.56/387,169.44 = 153,233.46/x
  3. Step 3: Cross multiply
    280,557.56x = 387,169.44 × 153,233.46
  4. Step 4: Simplify right side
    280,557.56x = 59,327,312,897.46
  5. Step 5: Solve for x
    x = 59,327,312,897.46/280,557.56
  6. Step 6: Final answer
    x = 211,462.18

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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.