Home / 211,154.45-316,751.78-59,351.13

Finding the Fourth Proportional to 211,154.45, 316,751.78 and 59,351.13

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Solution

The fourth proportional to 211,154.45, 316,751.78 and 59,351.13 is: 89,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,154.45 : 316,751.78 = 59,351.13 : x
  2. Step 2: Convert to fraction form
    211,154.45/316,751.78 = 59,351.13/x
  3. Step 3: Cross multiply
    211,154.45x = 316,751.78 × 59,351.13
  4. Step 4: Simplify right side
    211,154.45x = 18,799,576,072.51
  5. Step 5: Solve for x
    x = 18,799,576,072.51/211,154.45
  6. Step 6: Final answer
    x = 89,032.35

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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.