Home / 282,249.61-389,501.15-153,188.30

Finding the Fourth Proportional to 282,249.61, 389,501.15 and 153,188.30

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Solution

The fourth proportional to 282,249.61, 389,501.15 and 153,188.30 is: 211,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,249.61 : 389,501.15 = 153,188.30 : x
  2. Step 2: Convert to fraction form
    282,249.61/389,501.15 = 153,188.30/x
  3. Step 3: Cross multiply
    282,249.61x = 389,501.15 × 153,188.30
  4. Step 4: Simplify right side
    282,249.61x = 59,667,020,373.27
  5. Step 5: Solve for x
    x = 59,667,020,373.27/282,249.61
  6. Step 6: Final answer
    x = 211,398.06

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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.