Home / 282,284.28-389,550.65-153,225.32

Finding the Fourth Proportional to 282,284.28, 389,550.65 and 153,225.32

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Solution

The fourth proportional to 282,284.28, 389,550.65 and 153,225.32 is: 211,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,284.28 : 389,550.65 = 153,225.32 : x
  2. Step 2: Convert to fraction form
    282,284.28/389,550.65 = 153,225.32/x
  3. Step 3: Cross multiply
    282,284.28x = 389,550.65 × 153,225.32
  4. Step 4: Simplify right side
    282,284.28x = 59,689,020,288.58
  5. Step 5: Solve for x
    x = 59,689,020,288.58/282,284.28
  6. Step 6: Final answer
    x = 211,450.03

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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.