Home / 209,155.16-288,633.33-118,528.38

Finding the Fourth Proportional to 209,155.16, 288,633.33 and 118,528.38

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Solution

The fourth proportional to 209,155.16, 288,633.33 and 118,528.38 is: 163,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,155.16 : 288,633.33 = 118,528.38 : x
  2. Step 2: Convert to fraction form
    209,155.16/288,633.33 = 118,528.38/x
  3. Step 3: Cross multiply
    209,155.16x = 288,633.33 × 118,528.38
  4. Step 4: Simplify right side
    209,155.16x = 34,211,241,018.91
  5. Step 5: Solve for x
    x = 34,211,241,018.91/209,155.16
  6. Step 6: Final answer
    x = 163,568.71

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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.