Home / 211,011.84-291,219.54-134,533.68

Finding the Fourth Proportional to 211,011.84, 291,219.54 and 134,533.68

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Solution

The fourth proportional to 211,011.84, 291,219.54 and 134,533.68 is: 185,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,011.84 : 291,219.54 = 134,533.68 : x
  2. Step 2: Convert to fraction form
    211,011.84/291,219.54 = 134,533.68/x
  3. Step 3: Cross multiply
    211,011.84x = 291,219.54 × 134,533.68
  4. Step 4: Simplify right side
    211,011.84x = 39,178,836,404.11
  5. Step 5: Solve for x
    x = 39,178,836,404.11/211,011.84
  6. Step 6: Final answer
    x = 185,671.27

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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.