Home / 113,816.48-157,066.88-63,515.52

Finding the Fourth Proportional to 113,816.48, 157,066.88 and 63,515.52

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Solution

The fourth proportional to 113,816.48, 157,066.88 and 63,515.52 is: 87,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.48 : 157,066.88 = 63,515.52 : x
  2. Step 2: Convert to fraction form
    113,816.48/157,066.88 = 63,515.52/x
  3. Step 3: Cross multiply
    113,816.48x = 157,066.88 × 63,515.52
  4. Step 4: Simplify right side
    113,816.48x = 9,976,184,557.98
  5. Step 5: Solve for x
    x = 9,976,184,557.98/113,816.48
  6. Step 6: Final answer
    x = 87,651.49

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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.