Home / 157,924.48-218,166.27-136,666.84

Finding the Fourth Proportional to 157,924.48, 218,166.27 and 136,666.84

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Solution

The fourth proportional to 157,924.48, 218,166.27 and 136,666.84 is: 188,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,924.48 : 218,166.27 = 136,666.84 : x
  2. Step 2: Convert to fraction form
    157,924.48/218,166.27 = 136,666.84/x
  3. Step 3: Cross multiply
    157,924.48x = 218,166.27 × 136,666.84
  4. Step 4: Simplify right side
    157,924.48x = 29,816,094,715.49
  5. Step 5: Solve for x
    x = 29,816,094,715.49/157,924.48
  6. Step 6: Final answer
    x = 188,799.70

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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.