Home / 100,859.39-151,547.27-76,132.32

Finding the Fourth Proportional to 100,859.39, 151,547.27 and 76,132.32

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Solution

The fourth proportional to 100,859.39, 151,547.27 and 76,132.32 is: 114,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,859.39 : 151,547.27 = 76,132.32 : x
  2. Step 2: Convert to fraction form
    100,859.39/151,547.27 = 76,132.32/x
  3. Step 3: Cross multiply
    100,859.39x = 151,547.27 × 76,132.32
  4. Step 4: Simplify right side
    100,859.39x = 11,537,644,874.10
  5. Step 5: Solve for x
    x = 11,537,644,874.10/100,859.39
  6. Step 6: Final answer
    x = 114,393.37

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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.