Home / 113,816.17-157,071.23-63,515.17

Finding the Fourth Proportional to 113,816.17, 157,071.23 and 63,515.17

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Solution

The fourth proportional to 113,816.17, 157,071.23 and 63,515.17 is: 87,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.17 : 157,071.23 = 63,515.17 : x
  2. Step 2: Convert to fraction form
    113,816.17/157,071.23 = 63,515.17/x
  3. Step 3: Cross multiply
    113,816.17x = 157,071.23 × 63,515.17
  4. Step 4: Simplify right side
    113,816.17x = 9,976,405,875.56
  5. Step 5: Solve for x
    x = 9,976,405,875.56/113,816.17
  6. Step 6: Final answer
    x = 87,653.68

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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.