Home / 346,121.72-519,237.47-146,443.59

Finding the Fourth Proportional to 346,121.72, 519,237.47 and 146,443.59

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Solution

The fourth proportional to 346,121.72, 519,237.47 and 146,443.59 is: 219,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,121.72 : 519,237.47 = 146,443.59 : x
  2. Step 2: Convert to fraction form
    346,121.72/519,237.47 = 146,443.59/x
  3. Step 3: Cross multiply
    346,121.72x = 519,237.47 × 146,443.59
  4. Step 4: Simplify right side
    346,121.72x = 76,038,998,437.10
  5. Step 5: Solve for x
    x = 76,038,998,437.10/346,121.72
  6. Step 6: Final answer
    x = 219,688.61

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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.