Home / 243,892.13-336,580.15-133,518.51

Finding the Fourth Proportional to 243,892.13, 336,580.15 and 133,518.51

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Solution

The fourth proportional to 243,892.13, 336,580.15 and 133,518.51 is: 184,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,892.13 : 336,580.15 = 133,518.51 : x
  2. Step 2: Convert to fraction form
    243,892.13/336,580.15 = 133,518.51/x
  3. Step 3: Cross multiply
    243,892.13x = 336,580.15 × 133,518.51
  4. Step 4: Simplify right side
    243,892.13x = 44,939,681,702.82
  5. Step 5: Solve for x
    x = 44,939,681,702.82/243,892.13
  6. Step 6: Final answer
    x = 184,260.48

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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.