Home / 211,061.65-291,262.18-115,568.34

Finding the Fourth Proportional to 211,061.65, 291,262.18 and 115,568.34

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Solution

The fourth proportional to 211,061.65, 291,262.18 and 115,568.34 is: 159,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,061.65 : 291,262.18 = 115,568.34 : x
  2. Step 2: Convert to fraction form
    211,061.65/291,262.18 = 115,568.34/x
  3. Step 3: Cross multiply
    211,061.65x = 291,262.18 × 115,568.34
  4. Step 4: Simplify right side
    211,061.65x = 33,660,685,482.92
  5. Step 5: Solve for x
    x = 33,660,685,482.92/211,061.65
  6. Step 6: Final answer
    x = 159,482.72

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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.