Home / 342,574.27-513,895.93-117,905.18

Finding the Fourth Proportional to 342,574.27, 513,895.93 and 117,905.18

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Solution

The fourth proportional to 342,574.27, 513,895.93 and 117,905.18 is: 176,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,574.27 : 513,895.93 = 117,905.18 : x
  2. Step 2: Convert to fraction form
    342,574.27/513,895.93 = 117,905.18/x
  3. Step 3: Cross multiply
    342,574.27x = 513,895.93 × 117,905.18
  4. Step 4: Simplify right side
    342,574.27x = 60,590,989,263.67
  5. Step 5: Solve for x
    x = 60,590,989,263.67/342,574.27
  6. Step 6: Final answer
    x = 176,869.65

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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.