Home / 211,779.53-315,801.11-182,386.25

Finding the Fourth Proportional to 211,779.53, 315,801.11 and 182,386.25

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Solution

The fourth proportional to 211,779.53, 315,801.11 and 182,386.25 is: 271,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,779.53 : 315,801.11 = 182,386.25 : x
  2. Step 2: Convert to fraction form
    211,779.53/315,801.11 = 182,386.25/x
  3. Step 3: Cross multiply
    211,779.53x = 315,801.11 × 182,386.25
  4. Step 4: Simplify right side
    211,779.53x = 57,597,777,707.80
  5. Step 5: Solve for x
    x = 57,597,777,707.80/211,779.53
  6. Step 6: Final answer
    x = 271,970.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.