Home / 282,182.48-389,429.32-186,523.28

Finding the Fourth Proportional to 282,182.48, 389,429.32 and 186,523.28

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Solution

The fourth proportional to 282,182.48, 389,429.32 and 186,523.28 is: 257,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,182.48 : 389,429.32 = 186,523.28 : x
  2. Step 2: Convert to fraction form
    282,182.48/389,429.32 = 186,523.28/x
  3. Step 3: Cross multiply
    282,182.48x = 389,429.32 × 186,523.28
  4. Step 4: Simplify right side
    282,182.48x = 72,637,634,094.57
  5. Step 5: Solve for x
    x = 72,637,634,094.57/282,182.48
  6. Step 6: Final answer
    x = 257,413.69

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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.