Home / 131,587.79-181,590.96-74,226.93

Finding the Fourth Proportional to 131,587.79, 181,590.96 and 74,226.93

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Solution

The fourth proportional to 131,587.79, 181,590.96 and 74,226.93 is: 102,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,587.79 : 181,590.96 = 74,226.93 : x
  2. Step 2: Convert to fraction form
    131,587.79/181,590.96 = 74,226.93/x
  3. Step 3: Cross multiply
    131,587.79x = 181,590.96 × 74,226.93
  4. Step 4: Simplify right side
    131,587.79x = 13,478,940,095.39
  5. Step 5: Solve for x
    x = 13,478,940,095.39/131,587.79
  6. Step 6: Final answer
    x = 102,433.06

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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.