Home / 141,781.64-213,644.70-117,369.45

Finding the Fourth Proportional to 141,781.64, 213,644.70 and 117,369.45

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Solution

The fourth proportional to 141,781.64, 213,644.70 and 117,369.45 is: 176,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,781.64 : 213,644.70 = 117,369.45 : x
  2. Step 2: Convert to fraction form
    141,781.64/213,644.70 = 117,369.45/x
  3. Step 3: Cross multiply
    141,781.64x = 213,644.70 × 117,369.45
  4. Step 4: Simplify right side
    141,781.64x = 25,075,360,934.42
  5. Step 5: Solve for x
    x = 25,075,360,934.42/141,781.64
  6. Step 6: Final answer
    x = 176,859.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.