Home / 316,988.19-437,488.53-196,168.41

Finding the Fourth Proportional to 316,988.19, 437,488.53 and 196,168.41

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Solution

The fourth proportional to 316,988.19, 437,488.53 and 196,168.41 is: 270,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,988.19 : 437,488.53 = 196,168.41 : x
  2. Step 2: Convert to fraction form
    316,988.19/437,488.53 = 196,168.41/x
  3. Step 3: Cross multiply
    316,988.19x = 437,488.53 × 196,168.41
  4. Step 4: Simplify right side
    316,988.19x = 85,821,429,323.34
  5. Step 5: Solve for x
    x = 85,821,429,323.34/316,988.19
  6. Step 6: Final answer
    x = 270,740.15

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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.