Home / 209,937.02-289,702.14-119,280.40

Finding the Fourth Proportional to 209,937.02, 289,702.14 and 119,280.40

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Solution

The fourth proportional to 209,937.02, 289,702.14 and 119,280.40 is: 164,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,937.02 : 289,702.14 = 119,280.40 : x
  2. Step 2: Convert to fraction form
    209,937.02/289,702.14 = 119,280.40/x
  3. Step 3: Cross multiply
    209,937.02x = 289,702.14 × 119,280.40
  4. Step 4: Simplify right side
    209,937.02x = 34,555,787,140.06
  5. Step 5: Solve for x
    x = 34,555,787,140.06/209,937.02
  6. Step 6: Final answer
    x = 164,600.73

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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.