Home / 109,613.40-164,420.10-26,507.40

Finding the Fourth Proportional to 109,613.40, 164,420.10 and 26,507.40

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Solution

The fourth proportional to 109,613.40, 164,420.10 and 26,507.40 is: 39,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,613.40 : 164,420.10 = 26,507.40 : x
  2. Step 2: Convert to fraction form
    109,613.40/164,420.10 = 26,507.40/x
  3. Step 3: Cross multiply
    109,613.40x = 164,420.10 × 26,507.40
  4. Step 4: Simplify right side
    109,613.40x = 4,358,349,358.74
  5. Step 5: Solve for x
    x = 4,358,349,358.74/109,613.40
  6. Step 6: Final answer
    x = 39,761.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.