Home / 211,706.10-292,157.73-116,221.50

Finding the Fourth Proportional to 211,706.10, 292,157.73 and 116,221.50

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Solution

The fourth proportional to 211,706.10, 292,157.73 and 116,221.50 is: 160,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,706.10 : 292,157.73 = 116,221.50 : x
  2. Step 2: Convert to fraction form
    211,706.10/292,157.73 = 116,221.50/x
  3. Step 3: Cross multiply
    211,706.10x = 292,157.73 × 116,221.50
  4. Step 4: Simplify right side
    211,706.10x = 33,955,009,617.20
  5. Step 5: Solve for x
    x = 33,955,009,617.20/211,706.10
  6. Step 6: Final answer
    x = 160,387.49

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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.