Home / 141,779.10-212,668.65-133,031.10

Finding the Fourth Proportional to 141,779.10, 212,668.65 and 133,031.10

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Solution

The fourth proportional to 141,779.10, 212,668.65 and 133,031.10 is: 199,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,779.10 : 212,668.65 = 133,031.10 : x
  2. Step 2: Convert to fraction form
    141,779.10/212,668.65 = 133,031.10/x
  3. Step 3: Cross multiply
    141,779.10x = 212,668.65 × 133,031.10
  4. Step 4: Simplify right side
    141,779.10x = 28,291,544,445.02
  5. Step 5: Solve for x
    x = 28,291,544,445.02/141,779.10
  6. Step 6: Final answer
    x = 199,546.65

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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.