Home / 153,564.42-230,047.74-86,802.60

Finding the Fourth Proportional to 153,564.42, 230,047.74 and 86,802.60

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Solution

The fourth proportional to 153,564.42, 230,047.74 and 86,802.60 is: 130,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,564.42 : 230,047.74 = 86,802.60 : x
  2. Step 2: Convert to fraction form
    153,564.42/230,047.74 = 86,802.60/x
  3. Step 3: Cross multiply
    153,564.42x = 230,047.74 × 86,802.60
  4. Step 4: Simplify right side
    153,564.42x = 19,968,741,956.12
  5. Step 5: Solve for x
    x = 19,968,741,956.12/153,564.42
  6. Step 6: Final answer
    x = 130,034.95

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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.