Home / 153,720.95-229,053.23-136,952.12

Finding the Fourth Proportional to 153,720.95, 229,053.23 and 136,952.12

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Solution

The fourth proportional to 153,720.95, 229,053.23 and 136,952.12 is: 204,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,720.95 : 229,053.23 = 136,952.12 : x
  2. Step 2: Convert to fraction form
    153,720.95/229,053.23 = 136,952.12/x
  3. Step 3: Cross multiply
    153,720.95x = 229,053.23 × 136,952.12
  4. Step 4: Simplify right side
    153,720.95x = 31,369,325,842.79
  5. Step 5: Solve for x
    x = 31,369,325,842.79/153,720.95
  6. Step 6: Final answer
    x = 204,066.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.