Home / 554,130.81-831,196.35-133,406.73

Finding the Fourth Proportional to 554,130.81, 831,196.35 and 133,406.73

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Solution

The fourth proportional to 554,130.81, 831,196.35 and 133,406.73 is: 200,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,130.81 : 831,196.35 = 133,406.73 : x
  2. Step 2: Convert to fraction form
    554,130.81/831,196.35 = 133,406.73/x
  3. Step 3: Cross multiply
    554,130.81x = 831,196.35 × 133,406.73
  4. Step 4: Simplify right side
    554,130.81x = 110,887,187,041.44
  5. Step 5: Solve for x
    x = 110,887,187,041.44/554,130.81
  6. Step 6: Final answer
    x = 200,110.13

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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.