Home / 208,806.04-288,152.52-113,312.74

Finding the Fourth Proportional to 208,806.04, 288,152.52 and 113,312.74

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Solution

The fourth proportional to 208,806.04, 288,152.52 and 113,312.74 is: 156,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,806.04 : 288,152.52 = 113,312.74 : x
  2. Step 2: Convert to fraction form
    208,806.04/288,152.52 = 113,312.74/x
  3. Step 3: Cross multiply
    208,806.04x = 288,152.52 × 113,312.74
  4. Step 4: Simplify right side
    208,806.04x = 32,651,350,350.80
  5. Step 5: Solve for x
    x = 32,651,350,350.80/208,806.04
  6. Step 6: Final answer
    x = 156,371.68

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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.