Home / 157,948.26-217,827.45-131,048.16

Finding the Fourth Proportional to 157,948.26, 217,827.45 and 131,048.16

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Solution

The fourth proportional to 157,948.26, 217,827.45 and 131,048.16 is: 180,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,948.26 : 217,827.45 = 131,048.16 : x
  2. Step 2: Convert to fraction form
    157,948.26/217,827.45 = 131,048.16/x
  3. Step 3: Cross multiply
    157,948.26x = 217,827.45 × 131,048.16
  4. Step 4: Simplify right side
    157,948.26x = 28,545,886,519.99
  5. Step 5: Solve for x
    x = 28,545,886,519.99/157,948.26
  6. Step 6: Final answer
    x = 180,729.35

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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.