Home / 223,043.28-334,565.40-156,779.92

Finding the Fourth Proportional to 223,043.28, 334,565.40 and 156,779.92

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Solution

The fourth proportional to 223,043.28, 334,565.40 and 156,779.92 is: 235,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,043.28 : 334,565.40 = 156,779.92 : x
  2. Step 2: Convert to fraction form
    223,043.28/334,565.40 = 156,779.92/x
  3. Step 3: Cross multiply
    223,043.28x = 334,565.40 × 156,779.92
  4. Step 4: Simplify right side
    223,043.28x = 52,453,136,646.77
  5. Step 5: Solve for x
    x = 52,453,136,646.77/223,043.28
  6. Step 6: Final answer
    x = 235,170.22

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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.