Home / 157,716.88-236,434.64-57,853.72

Finding the Fourth Proportional to 157,716.88, 236,434.64 and 57,853.72

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Solution

The fourth proportional to 157,716.88, 236,434.64 and 57,853.72 is: 86,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,716.88 : 236,434.64 = 57,853.72 : x
  2. Step 2: Convert to fraction form
    157,716.88/236,434.64 = 57,853.72/x
  3. Step 3: Cross multiply
    157,716.88x = 236,434.64 × 57,853.72
  4. Step 4: Simplify right side
    157,716.88x = 13,678,623,460.86
  5. Step 5: Solve for x
    x = 13,678,623,460.86/157,716.88
  6. Step 6: Final answer
    x = 86,728.98

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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.