Home / 211,779.21-315,800.63-182,385.93

Finding the Fourth Proportional to 211,779.21, 315,800.63 and 182,385.93

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Solution

The fourth proportional to 211,779.21, 315,800.63 and 182,385.93 is: 271,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,779.21 : 315,800.63 = 182,385.93 : x
  2. Step 2: Convert to fraction form
    211,779.21/315,800.63 = 182,385.93/x
  3. Step 3: Cross multiply
    211,779.21x = 315,800.63 × 182,385.93
  4. Step 4: Simplify right side
    211,779.21x = 57,597,592,053.10
  5. Step 5: Solve for x
    x = 57,597,592,053.10/211,779.21
  6. Step 6: Final answer
    x = 271,970.00

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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.