Home / 153,295.03-211,547.14-86,227.03

Finding the Fourth Proportional to 153,295.03, 211,547.14 and 86,227.03

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Solution

The fourth proportional to 153,295.03, 211,547.14 and 86,227.03 is: 118,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,295.03 : 211,547.14 = 86,227.03 : x
  2. Step 2: Convert to fraction form
    153,295.03/211,547.14 = 86,227.03/x
  3. Step 3: Cross multiply
    153,295.03x = 211,547.14 × 86,227.03
  4. Step 4: Simplify right side
    153,295.03x = 18,241,082,121.09
  5. Step 5: Solve for x
    x = 18,241,082,121.09/153,295.03
  6. Step 6: Final answer
    x = 118,993.30

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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.