Home / 282,306.04-389,452.38-180,280.39

Finding the Fourth Proportional to 282,306.04, 389,452.38 and 180,280.39

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Solution

The fourth proportional to 282,306.04, 389,452.38 and 180,280.39 is: 248,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,306.04 : 389,452.38 = 180,280.39 : x
  2. Step 2: Convert to fraction form
    282,306.04/389,452.38 = 180,280.39/x
  3. Step 3: Cross multiply
    282,306.04x = 389,452.38 × 180,280.39
  4. Step 4: Simplify right side
    282,306.04x = 70,210,626,952.83
  5. Step 5: Solve for x
    x = 70,210,626,952.83/282,306.04
  6. Step 6: Final answer
    x = 248,703.95

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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.