Home / 210,830.06-316,024.76-92,401.58

Finding the Fourth Proportional to 210,830.06, 316,024.76 and 92,401.58

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Solution

The fourth proportional to 210,830.06, 316,024.76 and 92,401.58 is: 138,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,830.06 : 316,024.76 = 92,401.58 : x
  2. Step 2: Convert to fraction form
    210,830.06/316,024.76 = 92,401.58/x
  3. Step 3: Cross multiply
    210,830.06x = 316,024.76 × 92,401.58
  4. Step 4: Simplify right side
    210,830.06x = 29,201,185,100.99
  5. Step 5: Solve for x
    x = 29,201,185,100.99/210,830.06
  6. Step 6: Final answer
    x = 138,505.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.