Home / 150,165.36-207,272.52-86,547.96

Finding the Fourth Proportional to 150,165.36, 207,272.52 and 86,547.96

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Solution

The fourth proportional to 150,165.36, 207,272.52 and 86,547.96 is: 119,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165.36 : 207,272.52 = 86,547.96 : x
  2. Step 2: Convert to fraction form
    150,165.36/207,272.52 = 86,547.96/x
  3. Step 3: Cross multiply
    150,165.36x = 207,272.52 × 86,547.96
  4. Step 4: Simplify right side
    150,165.36x = 17,939,013,770.06
  5. Step 5: Solve for x
    x = 17,939,013,770.06/150,165.36
  6. Step 6: Final answer
    x = 119,461.73

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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.