Home / 211,056.76-291,244.98-115,564.60

Finding the Fourth Proportional to 211,056.76, 291,244.98 and 115,564.60

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Solution

The fourth proportional to 211,056.76, 291,244.98 and 115,564.60 is: 159,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,056.76 : 291,244.98 = 115,564.60 : x
  2. Step 2: Convert to fraction form
    211,056.76/291,244.98 = 115,564.60/x
  3. Step 3: Cross multiply
    211,056.76x = 291,244.98 × 115,564.60
  4. Step 4: Simplify right side
    211,056.76x = 33,657,609,615.71
  5. Step 5: Solve for x
    x = 33,657,609,615.71/211,056.76
  6. Step 6: Final answer
    x = 159,471.84

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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.