Home / 282,346.16-389,637.95-153,284.54

Finding the Fourth Proportional to 282,346.16, 389,637.95 and 153,284.54

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Solution

The fourth proportional to 282,346.16, 389,637.95 and 153,284.54 is: 211,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,346.16 : 389,637.95 = 153,284.54 : x
  2. Step 2: Convert to fraction form
    282,346.16/389,637.95 = 153,284.54/x
  3. Step 3: Cross multiply
    282,346.16x = 389,637.95 × 153,284.54
  4. Step 4: Simplify right side
    282,346.16x = 59,725,471,217.68
  5. Step 5: Solve for x
    x = 59,725,471,217.68/282,346.16
  6. Step 6: Final answer
    x = 211,532.79

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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.