Home / 110,938.19-153,077.59-63,185.45

Finding the Fourth Proportional to 110,938.19, 153,077.59 and 63,185.45

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Solution

The fourth proportional to 110,938.19, 153,077.59 and 63,185.45 is: 87,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,938.19 : 153,077.59 = 63,185.45 : x
  2. Step 2: Convert to fraction form
    110,938.19/153,077.59 = 63,185.45/x
  3. Step 3: Cross multiply
    110,938.19x = 153,077.59 × 63,185.45
  4. Step 4: Simplify right side
    110,938.19x = 9,672,276,409.07
  5. Step 5: Solve for x
    x = 9,672,276,409.07/110,938.19
  6. Step 6: Final answer
    x = 87,186.17

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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.