Home / 117,547.05-162,218.14-69,152.38

Finding the Fourth Proportional to 117,547.05, 162,218.14 and 69,152.38

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Solution

The fourth proportional to 117,547.05, 162,218.14 and 69,152.38 is: 95,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,547.05 : 162,218.14 = 69,152.38 : x
  2. Step 2: Convert to fraction form
    117,547.05/162,218.14 = 69,152.38/x
  3. Step 3: Cross multiply
    117,547.05x = 162,218.14 × 69,152.38
  4. Step 4: Simplify right side
    117,547.05x = 11,217,771,183.21
  5. Step 5: Solve for x
    x = 11,217,771,183.21/117,547.05
  6. Step 6: Final answer
    x = 95,432.18

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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.