Home / 153,527.16-211,955.39-102,626.11

Finding the Fourth Proportional to 153,527.16, 211,955.39 and 102,626.11

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Solution

The fourth proportional to 153,527.16, 211,955.39 and 102,626.11 is: 141,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,527.16 : 211,955.39 = 102,626.11 : x
  2. Step 2: Convert to fraction form
    153,527.16/211,955.39 = 102,626.11/x
  3. Step 3: Cross multiply
    153,527.16x = 211,955.39 × 102,626.11
  4. Step 4: Simplify right side
    153,527.16x = 21,752,157,169.23
  5. Step 5: Solve for x
    x = 21,752,157,169.23/153,527.16
  6. Step 6: Final answer
    x = 141,682.80

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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.