Home / 278,924.09-384,898.95-151,598.57

Finding the Fourth Proportional to 278,924.09, 384,898.95 and 151,598.57

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Solution

The fourth proportional to 278,924.09, 384,898.95 and 151,598.57 is: 209,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,924.09 : 384,898.95 = 151,598.57 : x
  2. Step 2: Convert to fraction form
    278,924.09/384,898.95 = 151,598.57/x
  3. Step 3: Cross multiply
    278,924.09x = 384,898.95 × 151,598.57
  4. Step 4: Simplify right side
    278,924.09x = 58,350,128,490.01
  5. Step 5: Solve for x
    x = 58,350,128,490.01/278,924.09
  6. Step 6: Final answer
    x = 209,197.17

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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.