Home / 264,267.57-364,685.31-155,384.21

Finding the Fourth Proportional to 264,267.57, 364,685.31 and 155,384.21

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Solution

The fourth proportional to 264,267.57, 364,685.31 and 155,384.21 is: 214,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,267.57 : 364,685.31 = 155,384.21 : x
  2. Step 2: Convert to fraction form
    264,267.57/364,685.31 = 155,384.21/x
  3. Step 3: Cross multiply
    264,267.57x = 364,685.31 × 155,384.21
  4. Step 4: Simplify right side
    264,267.57x = 56,666,336,969.53
  5. Step 5: Solve for x
    x = 56,666,336,969.53/264,267.57
  6. Step 6: Final answer
    x = 214,427.89

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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.