Home / 304,931.63-457,175.50-127,488.98

Finding the Fourth Proportional to 304,931.63, 457,175.50 and 127,488.98

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Solution

The fourth proportional to 304,931.63, 457,175.50 and 127,488.98 is: 191,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,931.63 : 457,175.50 = 127,488.98 : x
  2. Step 2: Convert to fraction form
    304,931.63/457,175.50 = 127,488.98/x
  3. Step 3: Cross multiply
    304,931.63x = 457,175.50 × 127,488.98
  4. Step 4: Simplify right side
    304,931.63x = 58,284,838,175.99
  5. Step 5: Solve for x
    x = 58,284,838,175.99/304,931.63
  6. Step 6: Final answer
    x = 191,140.68

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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.