Home / 174,172.36-240,132.28-112,809.36

Finding the Fourth Proportional to 174,172.36, 240,132.28 and 112,809.36

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Solution

The fourth proportional to 174,172.36, 240,132.28 and 112,809.36 is: 155,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,172.36 : 240,132.28 = 112,809.36 : x
  2. Step 2: Convert to fraction form
    174,172.36/240,132.28 = 112,809.36/x
  3. Step 3: Cross multiply
    174,172.36x = 240,132.28 × 112,809.36
  4. Step 4: Simplify right side
    174,172.36x = 27,089,168,822.14
  5. Step 5: Solve for x
    x = 27,089,168,822.14/174,172.36
  6. Step 6: Final answer
    x = 155,530.81

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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.