Home / 174,492.10-261,738.15-156,777.40

Finding the Fourth Proportional to 174,492.10, 261,738.15 and 156,777.40

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Solution

The fourth proportional to 174,492.10, 261,738.15 and 156,777.40 is: 235,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,492.10 : 261,738.15 = 156,777.40 : x
  2. Step 2: Convert to fraction form
    174,492.10/261,738.15 = 156,777.40/x
  3. Step 3: Cross multiply
    174,492.10x = 261,738.15 × 156,777.40
  4. Step 4: Simplify right side
    174,492.10x = 41,034,626,637.81
  5. Step 5: Solve for x
    x = 41,034,626,637.81/174,492.10
  6. Step 6: Final answer
    x = 235,166.10

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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.