Home / 141,185.64-210,533.01-121,590.12

Finding the Fourth Proportional to 141,185.64, 210,533.01 and 121,590.12

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Solution

The fourth proportional to 141,185.64, 210,533.01 and 121,590.12 is: 181,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,185.64 : 210,533.01 = 121,590.12 : x
  2. Step 2: Convert to fraction form
    141,185.64/210,533.01 = 121,590.12/x
  3. Step 3: Cross multiply
    141,185.64x = 210,533.01 × 121,590.12
  4. Step 4: Simplify right side
    141,185.64x = 25,598,733,949.86
  5. Step 5: Solve for x
    x = 25,598,733,949.86/141,185.64
  6. Step 6: Final answer
    x = 181,312.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.