Home / 242,913.87-334,966.79-209,037.24

Finding the Fourth Proportional to 242,913.87, 334,966.79 and 209,037.24

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Solution

The fourth proportional to 242,913.87, 334,966.79 and 209,037.24 is: 288,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,913.87 : 334,966.79 = 209,037.24 : x
  2. Step 2: Convert to fraction form
    242,913.87/334,966.79 = 209,037.24/x
  3. Step 3: Cross multiply
    242,913.87x = 334,966.79 × 209,037.24
  4. Step 4: Simplify right side
    242,913.87x = 70,020,533,795.85
  5. Step 5: Solve for x
    x = 70,020,533,795.85/242,913.87
  6. Step 6: Final answer
    x = 288,252.51

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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.