Home / 282,151.08-389,367.94-153,089.51

Finding the Fourth Proportional to 282,151.08, 389,367.94 and 153,089.51

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Solution

The fourth proportional to 282,151.08, 389,367.94 and 153,089.51 is: 211,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,151.08 : 389,367.94 = 153,089.51 : x
  2. Step 2: Convert to fraction form
    282,151.08/389,367.94 = 153,089.51/x
  3. Step 3: Cross multiply
    282,151.08x = 389,367.94 × 153,089.51
  4. Step 4: Simplify right side
    282,151.08x = 59,608,146,378.86
  5. Step 5: Solve for x
    x = 59,608,146,378.86/282,151.08
  6. Step 6: Final answer
    x = 211,263.22

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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.