Home / 153,264.08-211,502.38-86,196.08

Finding the Fourth Proportional to 153,264.08, 211,502.38 and 86,196.08

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Solution

The fourth proportional to 153,264.08, 211,502.38 and 86,196.08 is: 118,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,264.08 : 211,502.38 = 86,196.08 : x
  2. Step 2: Convert to fraction form
    153,264.08/211,502.38 = 86,196.08/x
  3. Step 3: Cross multiply
    153,264.08x = 211,502.38 × 86,196.08
  4. Step 4: Simplify right side
    153,264.08x = 18,230,676,066.67
  5. Step 5: Solve for x
    x = 18,230,676,066.67/153,264.08
  6. Step 6: Final answer
    x = 118,949.44

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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.