Home / 346,006.89-518,950.50-156,423.18

Finding the Fourth Proportional to 346,006.89, 518,950.50 and 156,423.18

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Solution

The fourth proportional to 346,006.89, 518,950.50 and 156,423.18 is: 234,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,006.89 : 518,950.50 = 156,423.18 : x
  2. Step 2: Convert to fraction form
    346,006.89/518,950.50 = 156,423.18/x
  3. Step 3: Cross multiply
    346,006.89x = 518,950.50 × 156,423.18
  4. Step 4: Simplify right side
    346,006.89x = 81,175,887,472.59
  5. Step 5: Solve for x
    x = 81,175,887,472.59/346,006.89
  6. Step 6: Final answer
    x = 234,607.72

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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.