Home / 282,267.67-389,528.40-153,206.15

Finding the Fourth Proportional to 282,267.67, 389,528.40 and 153,206.15

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Solution

The fourth proportional to 282,267.67, 389,528.40 and 153,206.15 is: 211,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,267.67 : 389,528.40 = 153,206.15 : x
  2. Step 2: Convert to fraction form
    282,267.67/389,528.40 = 153,206.15/x
  3. Step 3: Cross multiply
    282,267.67x = 389,528.40 × 153,206.15
  4. Step 4: Simplify right side
    282,267.67x = 59,678,144,532.02
  5. Step 5: Solve for x
    x = 59,678,144,532.02/282,267.67
  6. Step 6: Final answer
    x = 211,423.95

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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.