Home / 316,059.34-436,126.17-187,001.77

Finding the Fourth Proportional to 316,059.34, 436,126.17 and 187,001.77

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Solution

The fourth proportional to 316,059.34, 436,126.17 and 187,001.77 is: 258,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,059.34 : 436,126.17 = 187,001.77 : x
  2. Step 2: Convert to fraction form
    316,059.34/436,126.17 = 187,001.77/x
  3. Step 3: Cross multiply
    316,059.34x = 436,126.17 × 187,001.77
  4. Step 4: Simplify right side
    316,059.34x = 81,556,365,733.32
  5. Step 5: Solve for x
    x = 81,556,365,733.32/316,059.34
  6. Step 6: Final answer
    x = 258,041.31

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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.