Home / 211,027.74-291,219.13-115,543.32

Finding the Fourth Proportional to 211,027.74, 291,219.13 and 115,543.32

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Solution

The fourth proportional to 211,027.74, 291,219.13 and 115,543.32 is: 159,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,027.74 : 291,219.13 = 115,543.32 : x
  2. Step 2: Convert to fraction form
    211,027.74/291,219.13 = 115,543.32/x
  3. Step 3: Cross multiply
    211,027.74x = 291,219.13 × 115,543.32
  4. Step 4: Simplify right side
    211,027.74x = 33,648,425,127.71
  5. Step 5: Solve for x
    x = 33,648,425,127.71/211,027.74
  6. Step 6: Final answer
    x = 159,450.25

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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.