Home / 282,215.20-423,322.80-124,362.40

Finding the Fourth Proportional to 282,215.20, 423,322.80 and 124,362.40

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Solution

The fourth proportional to 282,215.20, 423,322.80 and 124,362.40 is: 186,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,215.20 : 423,322.80 = 124,362.40 : x
  2. Step 2: Convert to fraction form
    282,215.20/423,322.80 = 124,362.40/x
  3. Step 3: Cross multiply
    282,215.20x = 423,322.80 × 124,362.40
  4. Step 4: Simplify right side
    282,215.20x = 52,645,439,382.72
  5. Step 5: Solve for x
    x = 52,645,439,382.72/282,215.20
  6. Step 6: Final answer
    x = 186,543.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.