Home / 346,824.80-519,848.40-197,136.80

Finding the Fourth Proportional to 346,824.80, 519,848.40 and 197,136.80

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Solution

The fourth proportional to 346,824.80, 519,848.40 and 197,136.80 is: 295,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,824.80 : 519,848.40 = 197,136.80 : x
  2. Step 2: Convert to fraction form
    346,824.80/519,848.40 = 197,136.80/x
  3. Step 3: Cross multiply
    346,824.80x = 519,848.40 × 197,136.80
  4. Step 4: Simplify right side
    346,824.80x = 102,481,250,061.12
  5. Step 5: Solve for x
    x = 102,481,250,061.12/346,824.80
  6. Step 6: Final answer
    x = 295,484.20

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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.