Home / 174,017.10-261,025.65-85,443.60

Finding the Fourth Proportional to 174,017.10, 261,025.65 and 85,443.60

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Solution

The fourth proportional to 174,017.10, 261,025.65 and 85,443.60 is: 128,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,017.10 : 261,025.65 = 85,443.60 : x
  2. Step 2: Convert to fraction form
    174,017.10/261,025.65 = 85,443.60/x
  3. Step 3: Cross multiply
    174,017.10x = 261,025.65 × 85,443.60
  4. Step 4: Simplify right side
    174,017.10x = 22,302,971,228.34
  5. Step 5: Solve for x
    x = 22,302,971,228.34/174,017.10
  6. Step 6: Final answer
    x = 128,165.40

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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.