Home / 131,180.16-181,022.22-74,590.32

Finding the Fourth Proportional to 131,180.16, 181,022.22 and 74,590.32

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Solution

The fourth proportional to 131,180.16, 181,022.22 and 74,590.32 is: 102,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,180.16 : 181,022.22 = 74,590.32 : x
  2. Step 2: Convert to fraction form
    131,180.16/181,022.22 = 74,590.32/x
  3. Step 3: Cross multiply
    131,180.16x = 181,022.22 × 74,590.32
  4. Step 4: Simplify right side
    131,180.16x = 13,502,505,316.91
  5. Step 5: Solve for x
    x = 13,502,505,316.91/131,180.16
  6. Step 6: Final answer
    x = 102,931.00

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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.