Home / 278,016.17-383,658.12-157,153.19

Finding the Fourth Proportional to 278,016.17, 383,658.12 and 157,153.19

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Solution

The fourth proportional to 278,016.17, 383,658.12 and 157,153.19 is: 216,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,016.17 : 383,658.12 = 157,153.19 : x
  2. Step 2: Convert to fraction form
    278,016.17/383,658.12 = 157,153.19/x
  3. Step 3: Cross multiply
    278,016.17x = 383,658.12 × 157,153.19
  4. Step 4: Simplify right side
    278,016.17x = 60,293,095,509.11
  5. Step 5: Solve for x
    x = 60,293,095,509.11/278,016.17
  6. Step 6: Final answer
    x = 216,869.03

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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.