Home / 211,690.62-292,123.08-114,892.28

Finding the Fourth Proportional to 211,690.62, 292,123.08 and 114,892.28

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Solution

The fourth proportional to 211,690.62, 292,123.08 and 114,892.28 is: 158,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,690.62 : 292,123.08 = 114,892.28 : x
  2. Step 2: Convert to fraction form
    211,690.62/292,123.08 = 114,892.28/x
  3. Step 3: Cross multiply
    211,690.62x = 292,123.08 × 114,892.28
  4. Step 4: Simplify right side
    211,690.62x = 33,562,686,701.82
  5. Step 5: Solve for x
    x = 33,562,686,701.82/211,690.62
  6. Step 6: Final answer
    x = 158,545.93

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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.