Home / 123,045.10-184,567.65-120,712.30

Finding the Fourth Proportional to 123,045.10, 184,567.65 and 120,712.30

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Solution

The fourth proportional to 123,045.10, 184,567.65 and 120,712.30 is: 181,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.10 : 184,567.65 = 120,712.30 : x
  2. Step 2: Convert to fraction form
    123,045.10/184,567.65 = 120,712.30/x
  3. Step 3: Cross multiply
    123,045.10x = 184,567.65 × 120,712.30
  4. Step 4: Simplify right side
    123,045.10x = 22,279,585,537.10
  5. Step 5: Solve for x
    x = 22,279,585,537.10/123,045.10
  6. Step 6: Final answer
    x = 181,068.45

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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.