Home / 212,678.46-293,516.96-158,870.06

Finding the Fourth Proportional to 212,678.46, 293,516.96 and 158,870.06

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Solution

The fourth proportional to 212,678.46, 293,516.96 and 158,870.06 is: 219,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,678.46 : 293,516.96 = 158,870.06 : x
  2. Step 2: Convert to fraction form
    212,678.46/293,516.96 = 158,870.06/x
  3. Step 3: Cross multiply
    212,678.46x = 293,516.96 × 158,870.06
  4. Step 4: Simplify right side
    212,678.46x = 46,631,057,780.01
  5. Step 5: Solve for x
    x = 46,631,057,780.01/212,678.46
  6. Step 6: Final answer
    x = 219,256.14

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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.