Home / 120,864.30-181,296.45-92,838.30

Finding the Fourth Proportional to 120,864.30, 181,296.45 and 92,838.30

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Solution

The fourth proportional to 120,864.30, 181,296.45 and 92,838.30 is: 139,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,864.30 : 181,296.45 = 92,838.30 : x
  2. Step 2: Convert to fraction form
    120,864.30/181,296.45 = 92,838.30/x
  3. Step 3: Cross multiply
    120,864.30x = 181,296.45 × 92,838.30
  4. Step 4: Simplify right side
    120,864.30x = 16,831,254,214.04
  5. Step 5: Solve for x
    x = 16,831,254,214.04/120,864.30
  6. Step 6: Final answer
    x = 139,257.45

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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.