Home / 153,172.20-229,931.10-118,266.60

Finding the Fourth Proportional to 153,172.20, 229,931.10 and 118,266.60

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Solution

The fourth proportional to 153,172.20, 229,931.10 and 118,266.60 is: 177,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,172.20 : 229,931.10 = 118,266.60 : x
  2. Step 2: Convert to fraction form
    153,172.20/229,931.10 = 118,266.60/x
  3. Step 3: Cross multiply
    153,172.20x = 229,931.10 × 118,266.60
  4. Step 4: Simplify right side
    153,172.20x = 27,193,169,431.26
  5. Step 5: Solve for x
    x = 27,193,169,431.26/153,172.20
  6. Step 6: Final answer
    x = 177,533.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.