Home / 278,560.04-384,406.89-151,235.63

Finding the Fourth Proportional to 278,560.04, 384,406.89 and 151,235.63

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Solution

The fourth proportional to 278,560.04, 384,406.89 and 151,235.63 is: 208,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,560.04 : 384,406.89 = 151,235.63 : x
  2. Step 2: Convert to fraction form
    278,560.04/384,406.89 = 151,235.63/x
  3. Step 3: Cross multiply
    278,560.04x = 384,406.89 × 151,235.63
  4. Step 4: Simplify right side
    278,560.04x = 58,136,018,185.49
  5. Step 5: Solve for x
    x = 58,136,018,185.49/278,560.04
  6. Step 6: Final answer
    x = 208,701.93

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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.