Home / 554,178.15-831,146.55-149,360.91

Finding the Fourth Proportional to 554,178.15, 831,146.55 and 149,360.91

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Solution

The fourth proportional to 554,178.15, 831,146.55 and 149,360.91 is: 224,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,178.15 : 831,146.55 = 149,360.91 : x
  2. Step 2: Convert to fraction form
    554,178.15/831,146.55 = 149,360.91/x
  3. Step 3: Cross multiply
    554,178.15x = 831,146.55 × 149,360.91
  4. Step 4: Simplify right side
    554,178.15x = 124,140,805,051.36
  5. Step 5: Solve for x
    x = 124,140,805,051.36/554,178.15
  6. Step 6: Final answer
    x = 224,008.84

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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.