Home / 147,577.26-203,655.66-83,915.06

Finding the Fourth Proportional to 147,577.26, 203,655.66 and 83,915.06

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Solution

The fourth proportional to 147,577.26, 203,655.66 and 83,915.06 is: 115,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,577.26 : 203,655.66 = 83,915.06 : x
  2. Step 2: Convert to fraction form
    147,577.26/203,655.66 = 83,915.06/x
  3. Step 3: Cross multiply
    147,577.26x = 203,655.66 × 83,915.06
  4. Step 4: Simplify right side
    147,577.26x = 17,089,776,928.24
  5. Step 5: Solve for x
    x = 17,089,776,928.24/147,577.26
  6. Step 6: Final answer
    x = 115,802.24

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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.