Home / 210,962.94-291,127.78-114,166.72

Finding the Fourth Proportional to 210,962.94, 291,127.78 and 114,166.72

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Solution

The fourth proportional to 210,962.94, 291,127.78 and 114,166.72 is: 157,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962.94 : 291,127.78 = 114,166.72 : x
  2. Step 2: Convert to fraction form
    210,962.94/291,127.78 = 114,166.72/x
  3. Step 3: Cross multiply
    210,962.94x = 291,127.78 × 114,166.72
  4. Step 4: Simplify right side
    210,962.94x = 33,237,103,743.48
  5. Step 5: Solve for x
    x = 33,237,103,743.48/210,962.94
  6. Step 6: Final answer
    x = 157,549.49

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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.