Home / 111,592.08-153,991.53-63,186.48

Finding the Fourth Proportional to 111,592.08, 153,991.53 and 63,186.48

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Solution

The fourth proportional to 111,592.08, 153,991.53 and 63,186.48 is: 87,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,592.08 : 153,991.53 = 63,186.48 : x
  2. Step 2: Convert to fraction form
    111,592.08/153,991.53 = 63,186.48/x
  3. Step 3: Cross multiply
    111,592.08x = 153,991.53 × 63,186.48
  4. Step 4: Simplify right side
    111,592.08x = 9,730,182,730.51
  5. Step 5: Solve for x
    x = 9,730,182,730.51/111,592.08
  6. Step 6: Final answer
    x = 87,194.21

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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.