Home / 118,775.04-178,146.04-30,023.16

Finding the Fourth Proportional to 118,775.04, 178,146.04 and 30,023.16

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Solution

The fourth proportional to 118,775.04, 178,146.04 and 30,023.16 is: 45,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,775.04 : 178,146.04 = 30,023.16 : x
  2. Step 2: Convert to fraction form
    118,775.04/178,146.04 = 30,023.16/x
  3. Step 3: Cross multiply
    118,775.04x = 178,146.04 × 30,023.16
  4. Step 4: Simplify right side
    118,775.04x = 5,348,507,062.29
  5. Step 5: Solve for x
    x = 5,348,507,062.29/118,775.04
  6. Step 6: Final answer
    x = 45,030.56

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1.5x scale

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.