Home / 356,579.60-534,869.40-119,897.60

Finding the Fourth Proportional to 356,579.60, 534,869.40 and 119,897.60

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Solution

The fourth proportional to 356,579.60, 534,869.40 and 119,897.60 is: 179,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,579.60 : 534,869.40 = 119,897.60 : x
  2. Step 2: Convert to fraction form
    356,579.60/534,869.40 = 119,897.60/x
  3. Step 3: Cross multiply
    356,579.60x = 534,869.40 × 119,897.60
  4. Step 4: Simplify right side
    356,579.60x = 64,129,557,373.44
  5. Step 5: Solve for x
    x = 64,129,557,373.44/356,579.60
  6. Step 6: Final answer
    x = 179,846.40

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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.