Home / 369,743.10-554,612.85-144,944.70

Finding the Fourth Proportional to 369,743.10, 554,612.85 and 144,944.70

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Solution

The fourth proportional to 369,743.10, 554,612.85 and 144,944.70 is: 217,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,743.10 : 554,612.85 = 144,944.70 : x
  2. Step 2: Convert to fraction form
    369,743.10/554,612.85 = 144,944.70/x
  3. Step 3: Cross multiply
    369,743.10x = 554,612.85 × 144,944.70
  4. Step 4: Simplify right side
    369,743.10x = 80,388,193,159.40
  5. Step 5: Solve for x
    x = 80,388,193,159.40/369,743.10
  6. Step 6: Final answer
    x = 217,416.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.