Home / 209,166.02-288,650.93-113,672.70

Finding the Fourth Proportional to 209,166.02, 288,650.93 and 113,672.70

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Solution

The fourth proportional to 209,166.02, 288,650.93 and 113,672.70 is: 156,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,166.02 : 288,650.93 = 113,672.70 : x
  2. Step 2: Convert to fraction form
    209,166.02/288,650.93 = 113,672.70/x
  3. Step 3: Cross multiply
    209,166.02x = 288,650.93 × 113,672.70
  4. Step 4: Simplify right side
    209,166.02x = 32,811,730,570.61
  5. Step 5: Solve for x
    x = 32,811,730,570.61/209,166.02
  6. Step 6: Final answer
    x = 156,869.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.