Home / 147,577.51-203,656.01-83,915.31

Finding the Fourth Proportional to 147,577.51, 203,656.01 and 83,915.31

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Solution

The fourth proportional to 147,577.51, 203,656.01 and 83,915.31 is: 115,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,577.51 : 203,656.01 = 83,915.31 : x
  2. Step 2: Convert to fraction form
    147,577.51/203,656.01 = 83,915.31/x
  3. Step 3: Cross multiply
    147,577.51x = 203,656.01 × 83,915.31
  4. Step 4: Simplify right side
    147,577.51x = 17,089,856,194.23
  5. Step 5: Solve for x
    x = 17,089,856,194.23/147,577.51
  6. Step 6: Final answer
    x = 115,802.58

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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.