Home / 133,513.12-184,248.48-73,897.12

Finding the Fourth Proportional to 133,513.12, 184,248.48 and 73,897.12

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Solution

The fourth proportional to 133,513.12, 184,248.48 and 73,897.12 is: 101,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,513.12 : 184,248.48 = 73,897.12 : x
  2. Step 2: Convert to fraction form
    133,513.12/184,248.48 = 73,897.12/x
  3. Step 3: Cross multiply
    133,513.12x = 184,248.48 × 73,897.12
  4. Step 4: Simplify right side
    133,513.12x = 13,615,432,036.38
  5. Step 5: Solve for x
    x = 13,615,432,036.38/133,513.12
  6. Step 6: Final answer
    x = 101,978.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.