Home / 282,180.48-389,426.56-186,521.28

Finding the Fourth Proportional to 282,180.48, 389,426.56 and 186,521.28

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Solution

The fourth proportional to 282,180.48, 389,426.56 and 186,521.28 is: 257,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,180.48 : 389,426.56 = 186,521.28 : x
  2. Step 2: Convert to fraction form
    282,180.48/389,426.56 = 186,521.28/x
  3. Step 3: Cross multiply
    282,180.48x = 389,426.56 × 186,521.28
  4. Step 4: Simplify right side
    282,180.48x = 72,636,340,437.20
  5. Step 5: Solve for x
    x = 72,636,340,437.20/282,180.48
  6. Step 6: Final answer
    x = 257,410.93

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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.