Home / 211,200.89-291,223.71-134,598.71

Finding the Fourth Proportional to 211,200.89, 291,223.71 and 134,598.71

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Solution

The fourth proportional to 211,200.89, 291,223.71 and 134,598.71 is: 185,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,200.89 : 291,223.71 = 134,598.71 : x
  2. Step 2: Convert to fraction form
    211,200.89/291,223.71 = 134,598.71/x
  3. Step 3: Cross multiply
    211,200.89x = 291,223.71 × 134,598.71
  4. Step 4: Simplify right side
    211,200.89x = 39,198,336,415.47
  5. Step 5: Solve for x
    x = 39,198,336,415.47/211,200.89
  6. Step 6: Final answer
    x = 185,597.41

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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.